Medical insurance payment and medical insurance purchase are a pair of “twin brothers”. Medical insurance group purchase of medical services and products can directly adjust the behavior of medical service purchasers and suppliers through payment methods，stimulate the reform of medical and health system related fields，and directly affect the development of the medical institution and pharmaceuticals industry. Therefore，reforming the method of medical insurance payment has become a hot and cutting-edge topic. It mainly explains the direction of the reform of medical insurance payment methods from the historical logic of the reform of medical insurance payment methods in China，and analyzes the impact of medical insurance payment reform on the development of medical institutions and pharmaceuticals industry.