Abstract: Since the 21st century, the new information technology is developing rapidly and rapidly. Under the condition of "Internet + education ", it is possible to reconstruct our education system. Both traditional teaching theory and constructivism teaching theory have advantages and disadvantages, and common points need to build learning atmosphere. The traditional teaching theory is "stressing the knowledge background ", and the constructivism theory is" giving the knowledge background ". This paper analyzes the feasibility and necessity of constructivism teaching mode under the condition of modern information technology, and puts forward the purpose and teaching means of constructivism teaching theory. Only by perfecting constructivism teaching theory we can significantly improve the effectiveness of classroom teaching and enhance students' ability of active and cooperative inquiry learning.

Key words: "Internet plus", College education, Constructivism, Autonomous learning ability