In the present scientific training system, image training has been an effective training strategy in sports science. In this paper, the influence of image training on sports performance and other related literature are reviewed, aiming to better help scientific sports training. According to the review of this paper, image training is an effective strategy to improve sports performance by improving skill learning, mental ability, physical fitness level and sports injury recovery. In addition, different levels of athletes should take different representation training methods, internal representation is suitable for higher level of athletes, while external representation is more suitable for beginners. Although image training has significant positive effects on athletic performance, the neural mechanism of enhancing athletic performance is not very clear at present, and how to apply image training to athletic rehabilitation remains to be further explored in the future.