In 2017，the basic old-age insurance system operated smoothly.The coverage of the basic old-age insurance system continued to expand，fund scale was further enlarged，and the benefit level was enhanced steadily.A series of new progress were achieved in the reform of the basic old-age insurance system，including the adoption of enterprise annuity，the release of measures on bookkeeping interest rates of personal pension insurance accounts of employees，improvement of provincial overall planning system for basic pension insurance，strengthening of pension fund investment and regulation，and reduction of social insurance premium rates by stages.Future reform on the basic old-age insurance system should focus on further improving the multi-tier old-age insurance system，enhancing the pooling level for old-age insurance，and carrying out design for optimization of the old-age insurance package.