How does the social security relationship in Shanghai transfer to Beijing?

Social Security: Bring my original ID card to the local social security bureau where Shanghai Company is located (hereinafter referred to as Shanghai Company), print a social security transfer slip and social security participation certificate, then handle the acceptance letter at the social security bureau where Beijing Company is located, and deliver it by courier or in person to Shanghai Company, and then Shanghai Company will transfer your social security information and social security fund to the account of Beijing Company, thus completing the social security transfer. You can entrust your colleagues in Shanghai with these procedures, or you can do them yourself.

Provident Fund: If you are a native of Shanghai. Provident funds cannot be withdrawn. If not, you can take your ID card and the certificate issued by the company to the social security deduction bank where the Shanghai company is located to withdraw the provident fund.

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