Old-age insurance, the full name of social basic old-age insurance, is a social insurance system established by the state and society according to certain laws and regulations for workers to reach the working age limit stipulated by the state to terminate their labor obligations or to retire from their jobs because of old age.

The legal retirement age of enterprise employees in China is: male employees are 60 years old; Female cadres engaged in management and scientific research are 55 years old and female employees are 50 years old. Basic pension consists of basic pension and personal account pension. If the employee reaches the legal retirement age and the individual contribution has reached 15 years, the monthly standard of basic pension is 20% of the average monthly salary of employees in the province (autonomous region or municipality directly under the Central Government) or city (prefecture) in the previous year. Personal account pension is paid by personal account fund, and the monthly payment standard is divided by 120 according to the amount stored in my account. After the individual account fund is used up, it will be paid by the social pooling fund.