With the continuous improvement of people's material living standards, music has become popular with the public, and plays an important role in modern society. Most people use their favorite and popular songs to express their love, sincere feelings, yearning for memories and other aspects of emotional and life experiences. In the vocal music competition, the thoughts expressed by the singer are very rich, diverse and complex and have a certain difficulty. And there's a high degree of consistency between these different things. Solo singing is an important vocal music art, but also the singer and the audience between the emotional communication and the collision of ideas the most direct, the most infectious way. In this paper, the algorithm of cooperative intelligent control system is applied to the singing method of soloist, and the algorithm of cooperative intelligent control system and the different training methods of soloist singing method are analyzed. Through the experimental test of different soloists, it is found that the application of intelligent control system algorithm in the singing method of soloists makes the performance achieve the best effect, and the audience's satisfaction is improved, and the satisfaction score is increased by 12.3%.