There are several levels of health.

Health status is divided into four grades, namely, health status, sub-health status, disease precursor status and disease status. Health status refers to the status achieved by individuals or groups through health practice on the basis of certain health awareness, health knowledge and health ability. The contents of modern people's health include: physical health, intellectual health, moral health, mental health, social health, mental health, environmental health and so on.

Health status grade:

1. Health status: It mainly depends on whether the main system and organ functions of the individual are normal, whether there are diseases, physical condition and physical strength level.

2. Sub-health state: Sub-health state is a key state between health and disease. All kinds of instruments and test results are negative, but people have various uncomfortable feelings. This is a new medical theory and concept, and it is also the product of social development, scientific progress and the improvement of human living standards. It is directly related to people's unhealthy lifestyle and increasing social pressure in modern society.

3, unhealthy state: middle-aged people will inevitably have some problems, but many people find that the condition is often very serious, and some even lose the opportunity to cure. In fact, most diseases have some early warning signals before the onset, and controlling your physical condition according to these signals will be beneficial to the early detection of diseases.

4. Precursor state of diseases: In the initial stage of some diseases, the earliest symptoms before the main symptoms appear.

5. Disease state: Under certain conditions, the human body is a complex pathological process and pathological state caused by pathogenic factors.