Generally speaking, there is no need to check the duplicate thanks, and some schools require the duplicate thanks; Before duplicate checking of graduation thesis, we must fully understand the duplicate checking requirements of university thesis. College graduates who are not required to check the content of thanks should delete the content of thanks before checking the content of papers on HowNet, so as to reduce the repetition rate of the content of thanks. Some colleges and universities require to check the thank-you content of papers. When writing the content of thank you, such college graduates must be concise, not too many words, and it is best to control it to about 200 words. Because the content of paper thanks is to express thanks, which is easy to repeat. The more words, the more repetition. Therefore, the paper thanks should be controlled at about 200 words, and the repetition rate of paper thanks should be reduced as much as possible, so as to successfully realize the paper retrieval in colleges and universities.