Commander, pronounced in Chinese, means the highest officer in charge of commanding his own army. Generally, it is called a commander only when it is established at or above the division level, such as the commander of the military region, the commander of the group army, the commander of the air force, the commander of the column and the commander of the front army, the commander of the garrison area and the commander of the military division, etc. The rank of commander varies according to the size of the unit, but at least it is above the colonel.
The contents of modern people's health include: physical health, mental health, mental health, social health, intellectual health, moral health, environmental health and so on. Health is a basic human right. Health is the first wealth in life. The meaning of modern health is diverse and extensive, including physical, psychological and social adaptability, among which social adaptability ultimately depends on physical and psychological qualities.
Mental health is the spiritual pillar of physical health, and physical health is the material basis of mental health. It extends human health from the biological sense to spiritual and social relations (the quality of social communication), including physical and mental health, family and social life.