Article 2 of the Social Insurance Law of the People's Republic of China The State establishes a system of social insurance covering basic old-age insurance, basic medical insurance, industrial injury insurance, unemployment insurance, maternity insurance, and so on, to safeguard the right of citizens to obtain material assistance from the State and society in accordance with the law in the event of old age, sickness, industrial injury, unemployment, or maternity. Article 23 Employees shall participate in basic medical insurance for employees, and the employer and the employee shall pay the basic medical insurance premiums in accordance with the provisions of the State***. Individual industrial and commercial households without employees, part-time workers who do not participate in the basic medical insurance of employees in the employing organization, and other flexibly employed persons may participate in the basic medical insurance of employees, and individuals shall pay the basic medical insurance premiums in accordance with the state regulations.