In order to further explore the performance of coaching technology in promoting the overall development of the education system, this paper applies the idea of system theory to deconstruct the five key elements and their interaction relations in the education system which affects the effect of education and training objectives. Meanwhile, the present situation and existing problems of each element are discussed including their influences for the system goal. The key analysis and exposition are made with the input and output of the core elements of the system to promote the overall coordinated development of the education system and improve the effectiveness. Based on the system theory we could conclude that this paper is of practical guiding value to promote the coordinated development of the key elements of the education system by using coaching technology, further to promote the overall evolution of the educational system and to promote the effective promotion of the overall goal of education and educating people.