Legal analysis: Overall payment and supplementary payment refer to medical expenses within the scope of medical insurance settlement. After deducting the "self-funded" expenses, the part paid by the overall fund or local additional fund according to the basic medical insurance regulations is the medical insurance payment part.

Among the expenses paid by the basic medical insurance, the expenses paid by the insured individuals in cash according to the prescribed proportion or difference are collectively referred to as "classified expenses". The medical expenses within the settlement scope of medical insurance, after deducting the expenses of "self-funded classification", are collectively referred to as "self-funded expenses" according to the provisions of basic medical insurance.

Legal basis: Article 25 of the Social Insurance Law of People's Republic of China (PRC), the state establishes and improves the basic medical insurance system for urban residents. The basic medical insurance for urban residents combines individual contributions with government subsidies. People who enjoy the minimum living guarantee, disabled people who have lost their ability to work, elderly people and minors over 60 years old in low-income families, etc. , subsidized by the government.