The topic opening of graduate school is to prepare for the topic opening of graduation thesis, and it is an important part of graduate education. Its main purpose is to clarify the research direction and objectives of graduate students and help them lay a solid foundation in the subsequent graduation thesis writing process.

Through the opening session of the second year's research, graduate students can also make preliminary research and conception on their graduation thesis, so as to make full preparations for the subsequent thesis writing. Therefore, it can be said that studying the topic selection of grade two is an important pre-step for the topic selection of graduation thesis.