In 20 17 years, the annual payment base of the basic old-age insurance premium for flexible employees is 60%, 70%, 80%, 90%, 150% and 200% of the average salary of employees in the previous year respectively. The insurance payment of flexible employees is based on the average annual salary of employees in our city last year, and is paid according to the sum of the rates paid by units and employees, and the medical insurance premium for serious illness is paid at the same time.