For duplicate payments caused by insured units and individuals, only the portion of the individual payment for the duplicate period will be refunded, and the portion of the unit payment will not be refunded. The unit payment for the duplicate period will be merged into the overall fund.

For duplicate payments caused by non-insured units and individuals, the entire payment amount will be refunded, including unit and individual payments.

The refund period for repeated payments should be judged based on the employee's labor relationship, and payments without labor relations will be refunded.

If there is a overlap between the employee's transfer-in fund from another place and the province's direct payment history, the personal payment portion of the fund transferred-in from another place will be refunded.

If you apply for insurance repeatedly at the same place, the surrender procedure is as follows: 1. Go to the Social Security Bureau where the original unit is located to print the payment list and stamp it; 2. Fill out the refund application form at the current unit and go to the Social Security Bureau to handle the refund application procedures;

3. After the social security is approved, the current unit shall go to the local tax and social security collection hall to handle the refund procedures.

Medical insurance premiums will not be refunded in the following circumstances: 1. If an insured person pays medical insurance premiums to two or more insured units at the same time, resulting in repeated payments, the medical insurance premiums paid by the unit will not be refunded, and their personal accounts will be merged.

2. For insured persons who have participated in employee medical insurance and resident medical insurance in the same period, their duplicate payments will not be refunded.

3. For persons whose medical insurance suspension or relationship transfer has been handled by the unit before the announcement of the equal wage in the previous year, their employee medical insurance contributions and personal accounts will no longer be liquidated and refunded after the equal wage is announced.

4. After individual insured persons or urban and rural residents medical insurance participants voluntarily choose to pay according to the first or second level, they may not request a refund of the paid medical insurance premium in the name of surrendering the insurance or switching to another level.

5. If an individual insured person pays annual premiums according to the first-tier standard and dies while the insurance is in effect, the portion included in the overall fund and large medical premiums will not be refunded.

6. Before municipal co-ordination, duplicate payments made by insured persons between different co-ordination areas in the city will not be refunded, and their personal accounts will be merged according to regulations.

It is recommended to consult the local social security bureau for details on whether you can surrender your insurance.

To sum up, if the repeated payment is discovered early and a refund application is submitted in time, there is a high possibility that the repeated insurance premium can be refunded in full.

Legal basis: Article 25 of the "Social Insurance Law of the People's Republic of China" states that the state establishes and improves the basic medical insurance system for urban residents.

The basic medical insurance for urban residents combines individual contributions and government subsidies.

The government subsidizes the required personal contributions for people who enjoy the minimum living security, disabled people who have lost the ability to work, elderly people over 60 years old and minors from low-income families.