In general, the topic selection of a thesis should be combined with your own research direction, and you should choose the content that you are good at or have good feasibility, that is, once you choose it, you should do it without hesitation and stick to it no matter how many difficulties you have in the later stage. Thesis is a tough thing, and it is difficult to stick to it without the corresponding endurance, so you must choose the one that suits you. The reason for choosing is clear, and it is necessary to facilitate the completion of the topic. After all, a high-quality thesis can ensure that you get your degree smoothly, and it is also the summary and crystallization of your scientific research, and the product of your sweat and inspiration. No matter how many difficulties there are, as long as you choose, you must work hard to complete it. Different from ordinary popular science articles, the paper is rigorous and has specific requirements in structure and content. It is suggested that the topics should be carefully selected, not thankless, and we must do what we can.