Fund payment in medical insurance refers to the medical insurance pooling fund to pay the medical expenses of the insured. Fund payment is a payment method of medical insurance, which refers to the process that medical insurance funds are paid directly to medical institutions without the need for individuals to advance first and then reimburse. The purpose of fund payment is to simplify the settlement process of medical expenses, reduce personal burden and improve the efficiency of medical insurance fund. Co-ordination fund is to put the medical insurance contributions of all units into a public fund part, not to be credited to personal accounts. Medical insurance, that is, medical insurance, is a social insurance system, which aims to provide basic medical security for the insured. Medical insurance means that when people are sick or injured, the state or enterprises pay part or all of the medical expenses to reduce people's economic burden.