Physical education in colleges and universities is an indispensable part of higher education, which is of great significance to students' physical and mental health, improvement of comprehensive quality and future career development.

2. College physical education can promote students' health. During college, students are at a critical stage of physical development. By taking part in physical exercise, they can strengthen their physique, improve their immunity and prevent diseases. At the same time, sports activities can also relieve the pressure of study, enhance psychological endurance and contribute to students' physical and mental health.

3. College physical education can improve students' comprehensive quality. In sports activities, students need to learn how to cooperate, communicate and compete with others, and these skills are also very important in their future career. At the same time, by participating in sports activities, students can also cultivate perseverance, courage and self-discipline, which are also of great significance to their future development.

4. College physical education also contributes to students' career development. Many occupations need good physical and psychological qualities, and college physical education can provide these qualities for students. In addition, some students majoring in physical education can gain more career opportunities and development space through the platform of college physical education.

The characteristics of sports are as follows:

1, sports can strengthen the body. The essential function of physical education is to strengthen physical fitness and exercise body and mind. Whether it is running, swimming or ball games, it can effectively improve cardiopulmonary function, enhance muscle strength and improve physical coordination. Through scientific physical exercise, people can keep healthy and reduce the occurrence of diseases.

2. Physical education has educational function. Physical education is not only physical exercise, but also a way of education. In sports activities, people learn important qualities such as obeying rules, respecting opponents and teamwork. Exercise can cultivate people's willpower, perseverance and fighting spirit, which are equally important in daily life and work.

3. Sports is entertaining and interesting. There are many kinds of sports, including strength sports, such as weightlifting and wrestling. There are also skillful sports, such as gymnastics and skating. There are also speed sports, such as track and field, swimming and so on. These different types of sports provide people with rich entertainment choices.

4. Sports has the function of social communication. Sports is a social activity, and people get to know like-minded friends by participating in or watching sports competitions. On the sports field, people from different backgrounds get together and build a bridge of friendship with sports as a link. This kind of cross-cultural communication is helpful to enhance the understanding and trust between people and promote the harmonious development of society.