Legal analysis: Social insurance funds mainly include five categories, namely: basic old-age insurance funds, basic medical insurance funds, industrial injury insurance funds, unemployment insurance funds and maternity insurance funds. In addition to the basic medical insurance fund and maternity insurance fund combined accounting, other social insurance funds are accounted for separately according to social insurance types. Social insurance funds implement a unified accounting system throughout the country. Social insurance funds shall be earmarked for special purposes, and no organization or individual may occupy or misappropriate them in any form.

Legal basis: Article 2 of the Social Insurance Law of People's Republic of China (PRC) The state establishes social insurance systems such as basic old-age insurance, basic medical insurance, industrial injury insurance, unemployment insurance, maternity insurance, etc., to protect citizens' right to get material help from the state and society according to law in case of old age, illness, industrial injury, unemployment and maternity.