Nott is a standardized health management center in China, and the interests of public hospitals do not depend on this cooperation. Being able to enter shows that the qualifications are reliable and stronger than those of outside institutions. It is clinically recognized that this method can only be used if it is helpful to obese patients. Health management and disease prevention, doctors mainly treat diseases. Doctors are not omnipotent and have no energy to help manage weight and health. Conceptual problems, public hospitals do not have personal contracts.