Principles of selecting academic papers: The selection of academic papers should consider the needs of society and the actual situation of individuals, and be based on understanding the market. Generally speaking, the following principles should be followed in selecting a topic: ① It is of theoretical significance or practical significance in the academic field, and the major issues of this discipline should be selected as far as possible, that is, issues that are of general concern, thinking, controversy and urgent need to be solved. Don't choose the questions that the teacher explained in class and have been clearly written in the book. It is necessary to find out whether the subject you want to study has been studied before, what is the research result, what is the conclusion, what needs to be supplemented or revised, and whether there are any remaining problems that need further study, so as to find the "end point" of your research subject from a large number of documents and materials, and thus find the "starting point" of the subject. Avoid "crash" and repeat other people's scientific research work, get twice the result with half the effort. At the same time, for topics that have been studied, you should focus on "new" to have a foothold; It is rare to quote topics that no one or few people have studied, as long as the views are correct and the arguments are conclusive. ③ We should combine our own knowledge structure, promote "long" and avoid "short", and strive to match our major, so that we can have some basic knowledge of the research content and give full play to our talents. At the same time, we should combine our hobbies and choose topics we are familiar with, so that we can have the enthusiasm for research. Try to choose small topics. The topic is too big, which is often difficult to write deeply, vaguely or time-consuming. If you choose a topic hastily, there is no possibility of realization at all, and the topic selection is equal to zero. Therefore, first determine a general direction and gradually narrow and concretize the scope of the topic. If we want to study China ancient literature, we need to further determine the period, which is pre-Qin literature, Tang and Song literature or Yuan, Ming and Qing literature? We should further consider what problems of literature in this period, a literary movement, a writer and works, or a certain aspect of a writer and works. If the topic is set smaller, the discussion will be easier to be focused and profound, and if you look at the big one, you will be able to write a better paper.