Abstract In today's society, due to the rapid development of the Internet, the popularity of the network has already exceeded our imagination, to our study and other aspects of the great changes brought about。 Now the use of the network to carry out a variety of teaching activities has become a reality --- that is, distance education。 Network education is a way to educate students and teachers, students and schools through multimedia on the Internet。
This system mainly has 3 user roles, pided into students, teachers。 Students are mainly put forward the question, my answer, my question, question library, personal information, such as module, teachers have to my question, my answer and question bank, personal information, such as module。 The manager has management, recovery management, student management, teacher management, administrator management module。
The system based on Node。js technology development, using the popular B/S network structure model, the use of MongoDB as the background database。 Based on the Node。js platform, Express-- framework is the most popular fast, open, minimalist web development framework。
Key words: Node。js; online Q & A; education platform