Taking Chongqing city as an example, based on the framework of matching supply and demand, it clarifies the endogenous logic of health insurance policy and the high-quality development of big health industry, analyzes the demand of health insurance support policy for the high-quality development of big health industry, and proposes to play the role of commercial insurance and other financial services, improve the system of supplementary and commercial medical insurance; incorporate large medical equipment into the medical insurance catalog, establish a centralized medical equipment It is suggested that the scope of health insurance coverage should be reasonably broadened, the allocation of medical resources should be optimized, the coverage of “intelligent health insurance” should be broadened, and the digital innovation of health insurance should be strengthened.