To reveal the state of biomechanics in sports medicine and elucidate the direction of development in this field and the questions we are facing. The information of development of biomechanics in different portions of sports medicine was summarized. The main achievements and deficiencies were analysed. The main achievements and deficiencies were summarized, the direction of development in this field were bring forwarded. The biomechanics in sports medicine is developed well, and has a bright future.