With the educational reform, people's requirements for the quality of education are constantly improving. As the main body of education, teachers' teaching style embodies teachers' teaching art and has an important influence on teachers' teaching quality and level. As an important factor affecting teaching level and quality, teachers' teaching style has been paid more and more attention by researchers. There are different teaching styles. One style not only affects teachers' leading position, but also has a great influence on students' personality, thinking mode, moral quality and habits in various ways. The purpose of investigating the effects of different goals is to understand the types of teaching styles and the styles that affect students, and to apply these characteristics to serve the education reform. Discuss the influence of teaching style on the development of students. Based on the characteristics of teaching style, this paper discusses the significance of using flexible teaching style to promote students' development.