The core literacy of physical education is to let students learn sports knowledge, master sports techniques and skills, exercise and exercise. Combining the goals of knowledge and skills, process and method, emotion, attitude and values, the core value pursuit is students' development literacy.

Sports is a complicated social and cultural phenomenon. It is a conscious, purposeful and organized social activity with physical and intellectual activities as the basic means to enhance physical fitness, improve sports ability, improve lifestyle and improve quality of life.

With the expansion of international exchanges, the scale and level of sports development has become an important symbol to measure the development and progress of a country and society, and also an important means of diplomatic and cultural exchanges between countries. Sports can be divided into mass sports, professional sports and school sports. Including sports culture, sports competitions, sports facilities, sports organizations, sports technology and many other elements.

The human body is an organic whole composed of various organ systems. When doing exercise, it seems that only the muscles are moving. In fact, the respiratory and blood circulation organs of the body are all involved in the activities, and they must be commanded and coordinated by the cerebral cortex.

Doing warm-up activities is precisely to improve the excitement of neurons in the cerebral cortex. Warm-up activities can also slightly raise body temperature, make muscles and tendons in good condition, have good elasticity and ductility, and will not be pulled or torn due to sudden contraction, which is particularly important in winter.