The money given to the hospital by the medical insurance bureau is usually called the "medical insurance fund". This part of the fund was set up by the medical insurance bureau to pay the medical expenses of patients. When patients need medical services, the hospital will use this part of the funds to pay medical expenses for patients.

Medical insurance funds are usually divided into two types: one is the national medical insurance fund, such as the national social security fund; The other is local medical insurance funds, such as urban medical insurance funds and rural cooperative medical care funds. These funds are usually managed by the government and pay medical expenses to medical institutions in a prescribed manner.

To sum up:

The money given by the medical insurance bureau to the hospital, usually called "medical insurance fund", is mainly used to pay the medical expenses of patients. Medical insurance funds are divided into national and local levels, managed by the government, and pay medical expenses to medical institutions according to regulations.

Legal basis:

Article 28 of the Social Insurance Law of People's Republic of China (PRC) stipulates: "Medical expenses that meet the basic medical insurance drug list, diagnosis and treatment items, medical service facilities standards and emergency rescue shall be paid by the basic medical insurance fund in accordance with state regulations."