You can stop social security if you have a certificate of separation.

Legal analysis: the certificate of resignation, that is, the certificate of dissolution of labor contract and termination of social security procedures, shall be handled by the personnel department of the company to the social security bureau. Workers go to the social security bureau to handle the formalities of continuing to pay social security.

Legal basis: Article 50 of the Social Insurance Law of People's Republic of China (PRC) * * * The employer shall issue a certificate of termination or dissolution of labor relations for the unemployed in time, and inform the social insurance agency of the list of unemployed persons within 15 days from the date of termination or dissolution of labor relations. Unemployed persons shall, with the certificate of termination or rescission of labor relations issued by their own units, go to the designated public employment service institutions for unemployment registration in time. Unemployed people with unemployment registration certificate and personal identity documents, to the social insurance agencies to receive unemployment insurance procedures. The time limit for receiving unemployment insurance benefits shall be calculated from the date of unemployment registration.