Legal basis:
Regulations of People's Republic of China (PRC) Municipality on Basic Medical Insurance for Urban Workers
Article 7 The basic medical insurance premium shall be paid by both the employer and the employee. Among them, the employer pays 5%-7% of the total monthly salary of its employees, and the rate of employees paying basic medical insurance premium is not less than 2% of their total monthly salary.
Article 8 The amount of employees' monthly wages is determined according to their actual total wages, but it shall not be less than 60% of the average monthly wages of employees in the city, county and autonomous county where they are located. The following medical insurance premiums that should be paid by themselves shall be paid by the employer.
Article 9 If the total monthly salary of employees exceeds 300% of the average monthly salary of employees in cities, counties and autonomous counties in the previous year, the basic medical insurance premium will not be paid, nor will it be used as the base for checking the amount of personal accounts.
Article 10 The employing unit must register the basic medical insurance with the social insurance agency within 30 days from the date of obtaining the business license or being approved for establishment. When the registered items change or the payment obligation is terminated according to law, the registration shall be changed or cancelled in time. The social insurance agency shall promptly notify the tax authorities of the registration. The employing unit shall, within 10 days after going through the basic medical insurance registration formalities, go to the tax collection authority to pay and register the basic medical insurance premium in accordance with relevant regulations.
Article 11 The amount of basic medical insurance premiums that should be paid by employers and employees shall be reported by employers to the tax collection authorities on a monthly basis and approved by the tax collection authorities.