In the basic physical fitness standard of the national basketball team, S stands for strength. The word "physical exercise" has appeared very frequently in physical education teaching in recent years. Whether it is a professional training team, an education department or a mass fitness institution, "physical strength and conditioning", or S&; C as an important part. In particular, the concept of physical training in Europe and America has entered the public's field of vision through some developed regions and national teams, and has gradually exerted great influence on training institutions at all levels in China. In fact, physical training has existed since the beginning of human purposeful sports activities. It is not a product of the new era, but our own "short-sightedness". Modern physical training has penetrated into many fields such as cultural background, biological science foundation, sports and professional competition systematization, and is no longer a single aspect. In fact, when writing this article, my heart was shaking, and "limited knowledge" echoed in my mind, because I have only been engaged in physical exercise for three years. Maybe it's luck. In this process, I got the guidance of top domestic physical fitness experts such as Professor Wang Weixing and Dr. Han Chunyuan. At the same time, I also studied the textbooks of NSCA and ACE, and read some articles about physical training. I am also a first-line worker who just started. It may be more faithful to introduce "physical training" with my experience and problems encountered in teaching practice.