With the development of society, people of different positions and levels have certain requirements for re-education, so the service scope of education and training has been gradually expanded over the years, from the initial small-scale review classes to large-scale intensive cram schools, and now the professional courses covering many industries and fields are getting higher and higher. The trend is getting hotter and hotter. First, the membership system. This is the best and most common mode to do websites now. It plays a very important role in the commercial operation of the website to register a member and then only charge the privilege fee of the member.