Formulate and implement medical insurance policies, supervise and manage the operation of medical insurance, etc. The functions of the medical insurance bureau mainly include: formulating and implementing medical insurance policies: the medical insurance bureau is responsible for formulating and implementing medical insurance policies, including the collection and use of medical insurance funds, the determination of medical insurance rates, and the provisions on the scope of medical insurance reimbursement; Medical insurance operation supervision and management: The Medical Insurance Bureau is responsible for the supervision and management of medical insurance operation, including the management of medical insurance funds, the control of medical insurance expenses and the supervision of medical insurance institutions.