What is the full name of social security account?

The social card is called the Social Security Card of the People's Republic of China.

Social security card meaning:

It is an integrated circuit card (IC card) which is uniformly planned by the Ministry of Labor and Social Security and issued to the society by local labor and social security departments, and is used in various business fields of labor and social security.

Social security (individual) cards are issued to urban employees, unemployed people and retirees, and social security (employer) cards are issued to employers.

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