I came to work in Shanghai from other places, and the company helped me pay social security (commonly known as four gold). What proof do I have after I hand it in?

1. The four funds paid by the company for you are endowment insurance, medical insurance, unemployment insurance and industrial injury insurance, also called "four insurances".

2. Shanghai social security card (for medical insurance) is really designed for employees who are not registered in Shanghai. This is actually your medical insurance card. Shanghai local registered employees hold social security cards, which contain the functions of medical insurance cards, but also contain many other functions, such as identity identification, social security inquiry and so on.

3. Housing provident fund is welfare, and enterprises are not forced to pay for non-local registered employees. This is still different from the five insurances of social security.