Topic selection refers to the main content to be discussed when choosing a paper. Generally speaking, on the basis of analyzing a large number of research materials, the direction and goal of scientific research and thesis writing are determined. The topic selection includes the determination of scientific research direction and the topic selection of the paper.

A good beginning is half the battle. The correct topic selection determines the quality of a paper and the success or failure of research. The so-called good topic is that this topic is not only necessary but also worth studying. The research results can be well applied to production and life, and it is also feasible to study, that is, under the current level of scientific and technological development, the technology needed to study this problem can be truly realized through experiments and other means. So we must carefully consider the topic.