Legal analysis: If it is fraud, it is illegal. If it is impossible to negotiate, it shall be handled by the court and decided by the court according to law.

legal basis: article 12 of the social insurance law of the people's Republic of China, the employer shall pay the basic old-age insurance premium in proportion to the total wages of its employees as stipulated by the state, and record it in the basic old-age insurance pooling fund. Employees shall pay the basic old-age insurance premium according to the proportion of their wages stipulated by the state and record it in their personal accounts. Individual industrial and commercial households without employees, part-time employees who have not participated in the basic old-age insurance in the employer and other flexible employees who have participated in the basic old-age insurance shall pay the basic old-age insurance premium in accordance with state regulations and record it in the basic old-age insurance pooling fund and individual account respectively.