The money refunded by the social security card is the personal payment part of your medical insurance, and the total amount of the unit payment part is transferred to the personal account of medical insurance according to state regulations.
Legal basis: Regulations on the Supervision and Administration of the Use of Medical Insurance Funds
Article 10 Medical insurance agencies shall establish and improve business, financial, safety and risk management systems, do a good job in service agreement management, cost monitoring, fund allocation, treatment review and payment, etc., regularly disclose the income and expenditure and balance of medical insurance funds to the public, and accept social supervision.
Nineteenth insured persons shall not take advantage of the opportunity to enjoy medical security benefits to resell drugs, accept cash or physical return or obtain other illegal benefits. Designated medical institutions shall not provide convenience for the insured to resell drugs, and shall not accept cash or physical return or obtain other illegal benefits by enjoying medical security benefits.