Abstract:Voice training is an important part in the vocal arts study. The science of vocal skills secures the quality of singing and the composition of forces can raise the efficiency of voice training. Based on the introduction of the generation of “composition of forces”,this paper illustrates the reason and method for the use of “composition of forces”. And there are ample evidences to support the scientific value of “composition of forces”,such as effective command vocal skills,improvement of techniques for singing and feasibility for training methods.