Use the duplicate checking system designated by the school: Most schools will designate a duplicate checking system for papers, requiring students to submit their papers to the designated system for duplicate checking. Students need to register, log in and submit papers according to the requirements of the school.
Library duplicate checking: Some schools may provide duplicate checking service in the library, and students can copy their papers to the duplicate checking system of the library for duplicate checking.
Self-checking: At present, there are many websites on the market to check duplicate papers, such as paperfree and papertime. These websites usually provide accurate duplicate checking results, but it should be noted that different websites may have different duplicate checking standards and methods.