The medical mutual insurance system for serious illness is a social medical mutual insurance system established for urban workers to solve the problem that the insured patients exceed the maximum payment limit of the basic medical insurance pooling fund on the basis of participating in the basic medical insurance.
Introduced by local governments, it is a supplement to social security, commercial insurance or third-party insurance. This kind of mutual medical assistance usually refers to the mutual medical assistance for serious illness, and the mutual medical insurance for serious illness is also called the mutual medical insurance for urban workers, which is a supplement to the basic medical insurance for urban workers.