This situation is deceptive, and it is generally a scam.

Employees shall participate in the basic old-age insurance, and the employer and employees shall jointly pay the basic old-age insurance premium.

Five insurances and one gold refer to several kinds of security benefits provided to workers by employers, including endowment insurance, medical insurance, unemployment insurance, work injury insurance, maternity insurance and housing accumulation fund. "On-the-job employees should pay the housing accumulation fund in accordance with the regulations." Housing accumulation fund is a "payable" item, which is legally necessary, and paying it also means an obligation.