Legal analysis: 1. It is illegal to copy other people's papers. 2. According to the relevant laws and regulations, publishing other people's works, or distorting, tampering with or plagiarizing other people's works without the permission of the copyright owner constitutes copyright infringement, and the actor shall bear civil liabilities such as stopping the infringement, eliminating the influence, apologizing and compensating for losses.

Legal basis: Article 52 of the Copyright Law of People's Republic of China (PRC) commits one of the following infringements, and shall bear civil liabilities such as stopping the infringement, eliminating the influence, making an apology and compensating for the losses according to the circumstances: (1) publishing his works without the permission of the copyright owner; (2) publishing a work created in cooperation with others as a work created by oneself without the permission of a co-author; (three) did not participate in the creation, in order to seek personal fame and fortune, signed other people's works; (4) distorting or tampering with other people's works; (5) Plagiarizing other people's works; (eleven) other acts of infringement of copyright and copyright-related rights and interests.