In the context of the Internet, various information transmission methods are more convenient. The network is open and can share resources. Therefore, “Internet +” provides a new way of teaching in the field of education. In the process of law education in colleges and universities, teachers should make full use of the Internet to create a variety of teaching methods for students. Efficient use of information technology to promote continuous innovation and change in higher education models, creating a network and digital higher education system, laying the foundation for a harmonious society of learning at any time, anywhere, and everyone, and training innovative talent. The purpose of this article is to explore its application in the reform of law classroom teaching methods through computer information technology. This article establishes a legal resource database, creates a virtual legal classroom, and makes an electronic bulletin board to propose changes to legal education. It is concluded through experiments that under the teaching method of computer technology, students have improved significantly in all aspects of law. Under the traditional teaching method, students have only improved a small part in law study, and even declined in some aspects. Compared with traditional teaching methods, the effect of teaching methods under computer technology is relatively significant. In the former, it improved by 4.09 points on average, but the latter regressed by 4.02 points, and the former communicated a lot more than the latter. In terms of homework assignment, the latter overtimed about three times.