Reading ability in College English is an important part of English teaching. It can help students accumulate vocabulary, acquire information and promote English listening, speaking and writing effectively. The goal of College English reading teaching is to improve the students' ability to acquire and deal with information and to analyze and solve problems. With the continuous deepening of the reform of education, the new curriculum standards have put forward higher requirements for College English Teaching in reading. Therefore, in the teaching of college reading, we should make full use of Schema Theory and make use of the systematic, dynamic and networking characteristics of schema process to improve students' understanding ability. In this paper, we should clarify the related concepts of schema theory, systematically analyze the problems in current college reading teaching, and apply schema theory to college reading teaching.