three kinds. The payment rate of medical insurance includes three types, namely, high rate, low rate and cases with special diseases. "High rate" refers to the common name of "cases with extremely high expenses", "low rate" means that cases with actual medical expenses below a certain standard are regarded as low rate cases or cases with low expenses, and "cases with special diseases and single discussion" refers to extremely abnormal cases in DIP disease grouping, which cannot be paid by normal disease payment standards. The medical insurance payment rate refers to the proportion of medical expenses reimbursed by the medical insurance fund to the insured from the Qifubiaozhun to the highest payment limit.