The social security company failed to pay it, and the personal company deducted it.

Legal analysis: every enterprise has to pay social security for its employees, so the enterprise must pay you back. If you don't return it, you must return the withheld social security money and give compensation acceptable to both parties.

Legal basis: Article 10 of the Social Insurance Law of People's Republic of China (PRC) * * * Employees shall participate in the basic old-age insurance, and both employers and employees shall pay the basic old-age insurance premium.

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 can participate in the basic old-age insurance, and individuals pay the basic old-age insurance premium.

The measures for the endowment insurance of civil servants and staff managed by reference to the Civil Service Law shall be formulated by the State Council.