The background music for the graduation project must be original. According to the query, all graduation project works must be original, including music. Graduation project refers to the summative independent homework done by students from engineering, agricultural, and forestry colleges and secondary vocational schools on the eve of their graduation. Originality is an independent creation. Originality does not belong to works that distort or tamper with other people's creations or plagiarize or plagiarize other people's creations, nor does it belong to works that adapt, translate, annotate, or organize other people's existing creations. Specifically refers to blog posts that are written by oneself and are not plagiarized or reproduced. This meaning is inappropriate because it has become widely popular on the Internet and should be recognized according to established rules. But in this sense it should be used with caution or sparingly to avoid misunderstandings.