The literal meaning of the words "body and mind" is: "body" refers to the body; "Heart", that is, psychology, mainly refers to emotions; "Spirit" mainly refers to the spirit or mental state, that is, people's consciousness, thoughts and thinking activities. As a whole, "body and mind" has two meanings, one is "body, mind and spirit", that is to say, the main form of this model is to intervene at these three levels; Secondly, it refers to the interactive relationship between the three, that is, the goal of this model is to promote the benign development of the relationship between body, mind and spirit, so as to achieve the goal of overall health. "Body and mind" pays attention to the unity and harmony of three levels, and regards people as the unity of body and mind in order to seek overall health and spiritual growth. Body and mind are ego, id and superego. Evaluation standard of "body and mind" 1, good health, strong physical strength and physique, good physiological function, resistance to various diseases, balanced development, standard weight, and adaptation to changes in natural environment. According to the theory of body and mind, a healthy diet and a relaxed body are one of the manifestations of good health. 2. Mental health Mental health refers to the integrity and coordination of people's basic psychological activities, that is, the integrity and coordination of cognition, emotion, will, behavior and personality, which can adapt to society and keep pace with society. This is a state of high efficiency, satisfaction and continuity. In this state, the recipient can adapt well, be energetic and give full play to his physical and mental potential. The external manifestations of mental health include peace of mind, relaxation, vitality, enthusiasm for life and harmonious interpersonal relationships. The inherent characteristics of mental health include good self-regulation ability, the ability to establish intimate relationships and a stable personality structure. 3. Mental health Mental health is closely related to mental health. Psychology and thinking are both human spiritual activities and the reflection of the human brain to the objective outside world. Psychology is directly related to individual's feelings and experiences, while thought is a systematic and general reflection of individuals through rational cognition. In social life, a person's mental health level is easily influenced by thinking activities and various concepts. Good self-awareness, rational thinking habits and firm and optimistic life goals are the internal basis to ensure mental health. According to the theory of body and mind, a mentally healthy person is a person with high self-esteem, self-perfection, integration with nature, feeling the joy of life and constructing meaningful life goals. Establish the concept of physical and mental health. Harmony is happiness, and balance is health. "The most important thing for health is the natural balance in the human body and the harmony between nature. The individual energy body constantly communicates with the surrounding energy, and the energy is stored, used, transformed and reconciled to a balanced state. If a certain energy system in the body is out of balance for a long time, or different systems are in a state of disharmony, the body will not run smoothly, which is the real cause of the disease. At present, people in many developed countries in the world are paying more and more attention to topics related to inner cultivation and physical health, longevity, beauty and temperament. Studies have shown that physical and mental retreat can treat a variety of psychological, physical, mental and social obstacles; Help to reduce people's tension, anxiety and fear; Helps to relax the body, reduce muscle tension, enhance immunity and calm the brain; It helps to regulate blood pressure and heartbeat, reduce cholesterol, increase oxygen circulation, and relieve the pain of chronic diseases such as asthma and migraine. Many chronic and difficult diseases can be greatly alleviated or even completely eliminated. Physical and mental retreat can treat all kinds of psychological, physical and social obstacles. Long-term physical and mental rest can reduce the use of drugs, and the benefits of rest to body and mind include: the incidence of mental illness and common diseases is lower than the overall average. Through physical and mental meditation, your inner and outer self will become more flexible and sensitive, the color will become brighter, the energetic temperament will become touching and bright, the inner world will become richer, and moral behavior will gradually dispel people's greed and fear. At the same time, more people who participate in physical and mental retreat will find that their perceptual processing is more sensitive, faster and more empathetic than ordinary people. According to some data, people who pass the physical and mental retreat are younger than their peers 12 years old. Psychological balance is a process of cultivation, which cultivates the body rather than the mind. Although the leaves are lush, they have no roots. If you practice your heart and don't practice your body, where will the dead wood meet the spring? When the human body is weak in essence and qi and blood deficiency, it is even more impossible to nourish the heart and keep fit. With the help of the practitioner's energy, learn to integrate into the artistic conception of harmony between man and nature, borrow the energy of the universe, immediately replenish your essence and spirit, quickly step into the track of nourishing your heart and body, and embark on the shortcut of health planning for self-treatment and conditioning. Psychological balance is the treasure of health and longevity, and its function is the sum of all health care measures and all health care products! With psychological balance, we can achieve physiological balance; With physiological balance, the metabolic functions of nervous system, endocrine system, immune system and human organs can reach the best coordinated state, and diseases will leave us far away.