This paper starts from the characteristic of 1500 meters sports to explore the method of speed capacity training. Middle-distance race is a speed endurance event in track and field sports, the character of which is its high intension muscle movement for a long time. The more competitive and the nearer level of the sports, the higher request of the speed is asked. This article analyses and discusses the development of modern middle-distance race characteristics by literature data, statistics and antitheses. It points out that the guiding ideology "speed training as the center" and high speed ability training is the main and effective ways of training middle-distance race nowadays.