The original unit did not stop social security and did not pay.

Legal analysis: If the social security is not allowed to be transferred after leaving the job, then bring the resignation certificate and report it to the Labor Bureau and the Arbitration Commission for handling.

Legal basis: Article 84 of People's Republic of China (PRC) Labor Contract Law. If the employing unit violates the provisions of this Law and detains the employee's resident identity card and other certificates, the labor administrative department shall order it to be returned to the employee himself within a time limit and punish him in accordance with relevant laws and regulations. If an employing unit, in violation of the provisions of this Law, collects property from laborers by way of guarantee or other names, the labor administrative department shall order it to be returned to the laborers within a time limit and impose a fine of not less than 500 yuan but not more than 2,000 yuan per person; If it causes damage to workers, it shall be liable for compensation. If the employee dissolves or terminates the labor contract according to law, and the employer detains the employee's files or other articles, it shall be punished in accordance with the provisions of the preceding paragraph.