ONLINE TEACHING MODES FROM THE PERSPECTIVE OF CONSTRUCTIVISM

China online education has been developing for more than 20 years, especially since 2013, with the tide of "Internet plus education", online teaching and MOOCs in colleges and universities have been unprecedented popularity, changing the traditional teaching mode and teaching methods. With the outbreak of COVID-19 epidemic in 2020, online teaching has rapidly become an important alternative to in person learning in colleges and universities. Teachers respond quickly and choose different online teaching platforms to carry out online teaching by using the national free open learning resources and their own curriculum resources. Based on the questionnaire survey of the students in E-commerce Department of Dalian Neusoft University of Information, it is found that the online teaching basically meets the teaching needs during the epidemic period. But there are many problems, such as large number of online teaching platforms, insufficient teaching resources, poor experimental teaching experience, traditional teaching mode online, and low interactive quality. Based on the constructivism teaching theory, this paper proposes to integrate teaching platform and enrich platform functions through technology empowerment; to improve teachers' teaching ability through training; to reconstruct teaching content with OBE teaching concept; to design reasonable evaluation methods and timely feedback students' learning effect by means of information technology; to promote online and offline "double line" integration to build a new normal of education and teaching. The purpose of this study is to provide reference for the development of online teaching in colleges and universities, so as to promote the reform of teaching mode and improve the quality of students training.