What do physical health and mental health of primary school students mean?

Primary school students are in a period of rapid physical development. Let them grow up healthily means not only good health. According to the definition of health by the United Nations World Health Organization, "health is not only the absence of disease, but also a good physical, psychological and social state or sense of security."

The mental health of primary school students refers to a continuous mental state, in which the parties can adapt well and have the vitality of life, and can fully develop their physical and mental potential; This is a positive enrichment. Not just mental illness. Mental health is an inseparable and important aspect of modern people's health, so what is human mental health? There are standards for a person's physical health, and there are standards for a person's mental health. However, the standard of people's mental health is not as specific and objective as the standard of people's physical health.