Source: 1. The medical insurance system is usually legislated and implemented by the state. As an important part of social security, funds are jointly raised by the state, collectives and individuals, and medical insurance premiums are paid by medical insurance institutions. 2. The financing channel of social medical insurance consists of seven parts: employer (unit) financing; Employee (individual) payment; State subsidies; Interest income; Adjust income; Transfer income; Other income (late fees and other income approved by the financial department, excluding fines); Why do you want to raise funds from multiple sources (this is vague, the first one is why do you want to raise funds from multiple sources, and the second one is why do you want to raise funds from multiple sources, which should be the first one): 1. The form of raising funds by the state through taxes and other means has the highest social fairness, which is enjoyed by all and equal to all; Can effectively raise funds, stable sources; The society is the most economical, and the disease risk is shared by the whole people; Highly centralized management is conducive to the government's macro-control. 2, by enterprises, units, individuals and other parties in the form of compulsory payment, the source of funds is stable, independent, and can be adjusted according to the national economic strength and national income level, with strong flexibility; Social fairness is high, and rights and obligations basically correspond; Strong social economy, realizing risk sharing within the legal scope of people; There are specialized social insurance institutions, which have certain control over the growth of expenses. 3. Voluntary insurance financing forms are flexible and diverse, suitable for multi-level social needs; Medical consumers have greater freedom of choice, which promotes the competition between medical insurance organizations and medical service institutions; The national financial burden is light.

Further reading: How to buy insurance, which is good, and teach you how to avoid these "pits" of insurance.