Abstract: as a new information technology in education, the classroom response system （Clicker） provides an important platform for the interactive classroom teaching, which could lead students participlate classroom teaching actively and has a positive influence on the attendance rate and achievements of students. By combining related research results at home and abroad, this paper makes a brief research about the application effect of Clicker in college physics instruction. The result has shown that Clicker is helpful to improve the achievements of students, and is more effective to boys than girls.

Key words: classroom response system, college physics, instruction, application