With the rapid development of wireless technology, mobile communication business has experienced the development from voice service to mobile broadband data service, mobile communication network has gradually evolved from 3G, 4G to 5G, that is, the fifth generation of mobile communication network. With the advent of 5G technology, a new generation of information technology has accelerated the reform of higher education system. Building an information platform for the quality of classroom teaching in colleges and universities under the 5G environment has become an important research topic for the information construction of colleges and universities and financial work of colleges and universities. This system is based on B/S architecture pattern, using SSM framework and MYSQL database development. Constructing perfect classroom teaching quality evaluation system, objectively, justly and scientifically evaluate teachers' teaching work to the curriculum, and improve the teaching quality system of the school as a whole. The main core function of the system is to realize that students can evaluate the teaching quality of the course teachers online, teachers can evaluate peers through listening to the class and view the summary information of students' evaluation of their own and peer evaluation of their own summary information, teachers can intuitively get the feedback information of the level of teaching quality. More and more students begin to receive higher education. The quality of classroom teaching and the education level of students have been paid more and more attention by education and government departments. The high quality education level of teachers and the reception degree of students have been the focus of attention all the time. Therefore, an online classroom teaching quality evaluation system, strengthen the construction of teaching quality evaluation system is the top priority.