The correct selection and determination of scientific research topics in Capital Institute of Physical Education plays a key role in the success or failure and quality of sports scientific research. In the specific scientific research practice, we should first make great efforts to do a good job in the preliminary research and preparation of scientific research topics. Through various effective ways and methods, we strive to find problems of research value. Secondly, it is necessary to express the research problems found as formal research topics, and provide research premise for preparing to declare the topics and open the topic report. The so-called justified. First, the importance of scientific research topics In daily study and research activities, most of us have this experience: a good book and an excellent scientific research paper are first attracted by its good topics; Then I looked at it and even put it down. It can be seen that a good scientific research project must also have a good topic expression. This is because: a good scientific research project embodies the research foundation and creative thinking in the process of selecting topics in the early stage, and embodies unique innovation and breakthrough; At the same time, it also reflects the research scope, level, research theme and some assumptions of the topic, and even the topic itself expresses a new viewpoint and new perspective on this issue. An accurate and novel research topic also provides a logical starting point for the determination of research tasks and the design of research content framework, and also makes a basic limit for research trends and research methods. Therefore, the topic expression of multiple-choice questions also has important academic value and quality characteristics in scientific research, which must be highly valued, carefully studied and accurately grasped. Second, the problems that are easy to appear in the topic expression of sports research papers 1. The topics are too big and too wide, such as "Comprehensive Research on Postgraduate Education Reform of Physical Education", "Basic Characteristics and Development Trend of School Physical Education Reform in a Well-off Society" and "Experimental Study on physical education class Cooperative Learning Model in Primary and Secondary Schools". Except for some qualified doctoral students who can choose to study such topics for a long time, it is difficult for most master students, undergraduates and front-line physical education teachers to complete such topics in a year or so. The existing problems are: the topic involves many problem fields, large space-time scope, many decomposable levels, many problems, wide content, difficult research and no prominent center. Each topic can be decomposed into 2-3 or even more independent topics, which is more creative, novel and feasible. For example, the first topic can be divided into several independent topics, such as curriculum, enrollment reform, dissertation quality, teaching management and so on. The second topic can be divided into at least two areas: universities and primary and secondary schools, and then highlight one or two major issues of reform, such as teaching guiding ideology, teaching content and methods or extracurricular sports. The third question must be related to the specific teaching content and objectives of different classes, so that the research is meaningful and there are more independent topics decomposed. This kind of topic is rooted in the lack of feasibility analysis when choosing a topic, which may be caused by greed for perfection, the desire to come up with big topics and achieve great results, or the lack of comprehensive research and understanding of the logical connotation and characteristics of the problem itself. If the topic is too big, there may be too many problems that need to be decomposed and studied, or the topic is too small, which leads to the inconsistency between the topic and the text; Or because the research data is incomplete, it has to be hastily ended. This situation is not uncommon in the titles of sports research papers you see every year. 2. The topic is too long, with poor conciseness and generality. For example, an experimental study on the implementation of the teaching mode of "one subject and one choice" and the curriculum standard of physical education and health in eastern rural areas, and an experimental comparative study on the influence of college students' groups and individuals participating in fitness exercises on mental health. As the saying goes, "Wen guiqi, the topic is expensive and simple." "These two topics are more than 30 words, obviously? 0? A sense of verbosity and verbosity. The original intention of the researchers may be to reflect the basic ideas, problems and assumptions of the research, but they are not good at simplifying the complex and cannot be highly summarized, which eventually forms such a long topic. For the design and expression of such topics, we mainly grasp the following points: First, reduce the extension level of too many topics and highlight the research topics and assumptions; The second is to integrate, simplify and summarize related concepts, and strive for more refined topics (for example, the above topic is changed to "experimental study on mental health of college students with different participation methods in sports and fitness"); Third, the long topic that is reluctant to give up can be expressed through the decomposition and integration of the main topic and the subtitle, highlighting the simplicity of the main topic. 3. The topics are vague, such as "Research on the teaching and training reform and development of track and field major in physical education in our school", "Physical activities and mental health of junior middle school students" and "Understanding the new curriculum standards, renewing ideas and cultivating students' interest in sports". The first question is ambiguous: which school is my school? Sports is a professional name, which is unknown here. Track and field is a special course, not a major, but a major here. Teaching and training, reform and development seem to be juxtaposed here, but they also seem to be subordinate. The second topic is vague: first, the amount of physical activity is not limited to physical activity, but may include various physical activities in daily work and life. What does it have to do with mental health and what is its significance? Secondly, is there a contrast and juxtaposition between physical activity and mental health? Or the hypothesis of causality? Such a topic is confusing because of ambiguity! The fundamental reasons for this kind of topic are: either the background and research basis of the problem are not clear in the process of selecting the topic in the early stage, or the basic theories and concepts of the studied problem are unfamiliar; Or limited by the level of written expression, resulting in improper grammar and rhetoric, inaccurate words and unreasonable grammar; There are even some individuals who pursue novel topics, and it is easier to form difficult and puzzling topics by using unfamiliar and vague words. 4. The topics are not standardized, mostly summing up experience or speaking at the meeting. For example, topics such as "building a well-off society in an all-round way and promoting the development of school physical education", "combining rhythmic gymnastics teaching organization" and "expecting new physical education teachers in the new curriculum standard" either lack some elements in the expression norms or use inappropriate words and sentences, which fail to accurately express the complete research theme. According to the original intention, it can be roughly revised as "research on new ideas (new countermeasures) of school physical education development under the background of building a well-off society in an all-round way", "research on the form and effect of point-to-point combination of college students' rhythmic gymnastics teaching organization" and "new requirements and expectations for physical education teachers in implementing the new curriculum standards"