How to buy social security in Shenzhen when working in Shanghai?

The most troublesome thing is that if you go to the hospital, you can't directly reimburse. Only units can handle long-term medical treatment in different places and choose designated hospitals in Shanghai. All receipts are regularly received by the Shenzhen unit and reimbursed by the social security center.

In addition, if you have been working in Shanghai and don't go to Shenzhen, you will have to go to Shenzhen Payment Social Security Center to open a payment voucher and handle social security transfer, so that you can accumulate it into your account in Shanghai.

If you work in Shenzhen in the future and buy a car or a house, you are eligible for social security in Shenzhen.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.