Search in the search engine: You can enter the title of the paper in the search engine to see if there are similar articles searched. If there are many similar articles, they are likely to be repetitive topics.
Search in academic database: You can search this topic in academic database, such as HowNet and VIP. If there are many similar articles, it is likely to be repetitive topics.
Check with paperfree paper duplicate checking system: If the topic of the paper is similar to the existing article, the content of the article may be repeated. Therefore, after the completion of the paper, it is necessary to check the duplicate.
In short, when choosing a topic, we should try to avoid repetition to ensure the uniqueness and innovation of the paper. At the same time, we should take seriously the suggestions and guidance of tutors and schools to ensure the quality and level of the thesis.