1. Domestic graduation thesis cases are basically found in the database of HowNet, which is also the most comprehensive website. If colleges and universities have an account of HowNet, they can go directly to the library and enter the background of HowNet, and directly search the keywords of their papers in the search bar to find the relevant information of the papers.

2. Use many documents in Baidu Library and various case analysis templates. When writing, you might as well go to Baidu Library to find the documents you need.

3. Cases should be selected from the last year or from 1-2 years ago. The case many years ago will seem a bit out of place in the current writing paper, and it does not conform to the current values. Looking for cases in hot spots, the reason why hot cases can become hot spots shows that cases have typical significance.

4. The case has certain representativeness, authority and attention. After finding the case of graduation thesis, we can study the case in depth and investigate the authenticity of the case. Choose the information you want, and add some of your own investigation practice on the basis of other people's research results.