Regular graduation thesis duplicate checking software includes HowNet, VIP, Wanfang, paperpass, paperfree and so on. HowNet can download HowNet documents for free as long as you log in to the campus network and college. HowNet literature includes periodical papers, monographs, dissertations, patents, electronic documents and other forms. For any document that needs to be detected, the system first carries out hierarchical processing, and creates fingerprints according to the levels of chapters, paragraphs and sentences. At the same time, it also uses the same technology to create fingerprint indexes for the comparative documents in the resource library.