In the topic selection of graduation thesis, we should pay attention to the theme significance. Academicism is the basis of academic papers, and the subject has disciplinary significance and is the basis of academic papers. Every subject has a history of every subject, and every subject also has a system of every subject. When choosing a topic, we should carefully understand the history and present situation of the development of the subject, fully consider the position of the subject in the whole subject system, and avoid choosing a problem with no research value as the topic of the paper. Generally speaking, there are at least two kinds of problems that should not be chosen to make the research topic have disciplinary significance: one is the problem that has been completely solved. Academic research is an exploratory activity, and originality is the life of academic papers. Although the requirement for originality of undergraduate graduation thesis is usually not as high as that of communication thesis specially used for academic communication, graduation thesis is different from the usual homework and should be written with some new ideas. If the research problem has been concluded, and my thesis is only a simple summary or combing of the existing research results, it is not of great significance in research or writing. It should be noted that undergraduate graduation thesis may also be presented in the form of bachelor's degree thesis, which should contain new research results and be original. People's Republic of China (PRC)'s national standard "Writing Format of Scientific and Technical Reports, Dissertations and Academic Papers" clearly points out that a dissertation refers to "an academic paper that shows that the author has made creative achievements or gained new insights in scientific research and used it as a comprehensive evaluation when applying for the corresponding degree." Strictly speaking, the so-called originality means that the viewpoint of the paper is a new academic opinion, which is different or unprecedented. Of course, it is not easy to come up with a valuable and meaningful academic point of view. Therefore, if we can use materials that others have never used, or reinterpret existing theoretical viewpoints from a new angle with new argumentation methods, the paper should also be regarded as having the characteristics of academic innovation. The second is the lack of theoretical knowledge. Academic papers reflect not general phenomena and processes, nor simple rules of experience, but theoretical understanding of the research object. The problem itself does not have any theoretical discussion value, and it is difficult to form a theoretical understanding of it, so it cannot be used as a topic for academic papers. The problem discussed in this paper is a real academic problem. Only when the understanding of the problem can rise to the height of theory can academic papers have a strong academic nature. Specifically, there are the following ways and methods for reference in the discovery and determination of topics: in academic research, there are mainly the following different situations in the discovery and determination of topics: the first situation is that when reading materials at ordinary times, you are inadvertently triggered, notice a problem, and have an interest and desire for research. After some weighing, you think this problem can be used as a research topic, and then you can be sure. The second situation is that when studying other problems or studying at ordinary times, I have a certain understanding of a certain problem and a unique opinion, so I decided to take this problem as a research topic. In other words, while discovering the subject, we have initially formed our views on the problem. In the in-depth study, the initial selected topics are limited, and the initial understanding is verified or adjusted, thus forming a mature academic point of view. From the initial understanding to the development of the final academic viewpoint, there may be two situations: first, the initial understanding is confirmed through the study of the subject, and the initial understanding and the final viewpoint roughly coincide, while the latter is only the deepening and clarification of the former; Second, systematic and in-depth research overturns the initial understanding, which is completely different from the final view. In the research of the subject, the immature understanding was corrected. It is worth noting that in order to help students who lack research experience find a writable thesis topic, sometimes schools or teachers may give some alternative research topics. In fact, this practice is not worth advocating, it can only be regarded as a helpless move. A high-quality graduation thesis is generally not a "proposition composition". The author of the paper should try his best to find and determine the topic of the paper, because finding the problem itself is a creative activity and a step of research work, and the problem he finds is usually one that he is interested in and experienced, so it is easier to produce original ideas by studying such problems. In addition, the research topics given by schools or teachers are generally not ready-made real thesis topics, and most of them are just a range of topics. Even if you choose the topic of the thesis, you should pay attention to the definition of the topic and choose the appropriate research or cut-in angle. Of course, in real life, the relevant institutions or departments sometimes assign a research topic to a researcher in the form of scientific research tasks, and arrange all scientific research steps from a given topic. Unlike students who lack research experience, high-level and experienced researchers usually have the ability to complete "propositional composition". But in this kind of scientific research activities, strictly speaking, there is no problem of selecting topics and determining them. The determination of the subject is a complicated work, and the final determination of a research subject needs to do a lot of work. Among them, the following two tasks are essential. First, we should do a good job in the research of the subject. The contents of the subject investigation mainly include: 1. Investigating the history of the subject research. Through investigation, it is important to know whether the predecessors have done research on this issue, what research has been done, how much research has been done, what achievements have been made and what problems still exist. Only by fully understanding these problems can we determine whether we can study this problem. Academic research is a creative action, and exploring the unknown is the task of academic research, and the premise of exploring the unknown is to know the known, because only by knowing the known can we know which problems are unknown and grasp which problems have not been solved. In graduation thesis writing, it is often the case that some students find a problem that they are very interested in and looks meaningful at the same time, and do some preparatory work for it. However, in further research, it is found that this problem has been completely solved, and even has become a common sense problem, so it is no longer necessary to continue discussion, so it is not suitable for graduation thesis. Simple repetition is the most taboo in academic research. If you are very familiar with the history of the research before deciding on the topic, you can avoid simple repetition. The second is the present situation of the research on investigation subject. Through investigation, it is important to know whether anyone is studying the problem they want to study, the progress, angle and method of research, so as to find the breakthrough of research. If the history of investigation and research is a vertical understanding, then the present situation of investigation and research is a horizontal comparison. Through this comparison, we can know who we know, whether our research is different from others and whether our research will surpass others. The third is to investigate the current situation of related research. Sometimes, to solve a problem, we should not only use the knowledge in a certain field, but also use the achievements in a certain field. Comprehensive application of all kinds of knowledge and rational use of research results in different fields are often conducive to solving problems creatively. In order to improve the quality of research results, we can consciously understand the research situation in related fields and see what results can be used for reference, especially what research methods can be used for reference. The methods of academic research are interlinked, and the reference and borrowing of research methods in other professional fields is likely to make their own research take on a brand-new look and bring some breakthroughs for their own research. For example, the research methods of structuralism and functionalism in the field of linguistics have had an important influence on literary research, and some research methods of modern linguistics have been successfully applied to the study of ancient Chinese, and some valuable research results have been obtained. With the progress of society and the development of science, academic research has become increasingly diversified and comprehensive, and various marginal and interdisciplinary disciplines have received unprecedented attention. Interdisciplinary research has become a new "growth point" for academic research. When choosing a topic, if we can broaden the perspective and the scope of attention, we may have unexpected discoveries and gains. Second, we should define the topic well. Whether the size of the research topic is moderate or not is directly related to the success or failure of writing and the quality of the paper. The length of graduation thesis at different levels usually has different regulations. Generally speaking, the length of graduation thesis is relatively long. Because of this, if the research questions are too small, it is difficult to have room for expansion, and the papers written often give people a feeling of being cumbersome, complicated and "making a mountain out of a molehill". On the contrary, if the topic is too big and the author's research ability and experience are insufficient, it is impossible to study the problem very deeply and thoroughly, and the papers written are often superficial and vague, giving people the feeling of "small works with big topics". It should be said that the topic of graduation thesis is too big and too small, which is not conducive to writing high-level articles. Comparatively speaking, for young students, especially college students and even graduate students, "small problems" are easier to control than "big problems", and "making a mountain out of a molehill" is better than "making a mountain out of a molehill".