The use of other people's works as classroom teaching for teaching staff or the compilation and publication of teaching materials for the implementation of nine-year compulsory education and national education planning does not constitute infringement and is not illegal, unless the author declares in advance that it is not allowed to use them.

Copyright law of the people's Republic of China

Article 22 Under the following circumstances, a work may be used without permission and without payment to the copyright owner, but the name of the author and the title of the work shall be indicated, and other rights enjoyed by the copyright owner in accordance with this Law shall not be infringed:

(6) Translating or reproducing a few published works for classroom teaching or scientific research in schools for use by teaching or scientific researchers, but not publishing them;

Article 23 When compiling and publishing textbooks for the implementation of the nine-year compulsory education and the national education plan, unless the author declares in advance that they are not allowed to be used, published pieces of works, short stories, musical works or single works of art and photography may be incorporated into the textbooks without the permission of the copyright owner, but remuneration shall be paid in accordance with the regulations. Marking the name of the author and the name of the work shall not infringe upon other rights enjoyed by the copyright owner in accordance with this Law.