Every year 1 month. According to official website, the Chongqing Municipal Health Insurance Bureau, the tax authorities will complete the batch automatic deduction of medical insurance for flexible employees in the previous year on 1 month, which can ensure the timely payment of medical insurance expenses and protect the medical rights and interests of the insured, so it is 1 month every year. Chongqing flexible employment medical insurance refers to the medical insurance that participates in the basic medical insurance for urban workers as an individual, and the insured can pay through online or offline channels.