If the registration card is lost, the graduate himself shall apply, and the school (department) shall issue a certificate and seal it. The school employment guidance center shall issue relevant certificates, and the personnel department at the registration point shall copy the registration card stub, and then the school shall submit it to the provincial or municipal competent graduate deployment department for replacement.

You need to bring the following materials: my application, the school's audit opinion (form), the newspaper declared invalid in the newspaper (or the valid certificate of the newspaper), the original diploma, etc.