This topic is so big that it is more than enough to do a graduation thesis. The five major types of insurance in China are only the social security law at the national level. In a broad sense, we can refer to labor law, labor contract law and general principles of civil law. Speaking of places, the implementation rules are different from place to place, and the level of treatment is also very different. In short, the overall level is still too low. It is suggested to consult the relevant announcements and regulations of the State Council on the government website. In addition, Zheng Gongcheng's books can be consulted a lot ~