Bronchial asthma is a common physical and mental disease, it is caused by polygenic genetic aspects of the instability of the bronchial system, environmental factors, such as allergens and excitation of infection, as well as allergic reactions, biochemical factors, although related to the disease, but psychosocial factors can also have different degrees of influence on this disease, psychological factors can trigger or aggravate asthma attacks. 1. Psychological characteristics (1) Overly submissive, dependent, sensitive, easily suggestible, and neurotic. (2) timid, introverted, self-centered, overly passive, ambiguous in their feelings towards others and themselves. (3) Difficult to tolerate setbacks, lack of confidence, and poor at expressing their emotions. The psychosomatic medical system established in the 1950s has included bronchial asthma in the category of psychosomatic diseases. The psychological mechanisms of its pathogenesis are as follows. 2.1 Psychodynamic theory Psychoanalysts believe that asthma attacks are related to specific subconscious psychological conflicts, where a strong desire for dependence is not satisfied, so that this emotion is repressed and cannot be expressed outwardly from conscious behaviors such as crying or shouting, and attempts are made to eliminate repressed conflicting emotions (such as anxiety caused by isolation from mother) or to avoid dangerous objects, and so through changes in the functional activity of the vegetative nervous system causing The disease is caused by the contraction of the smooth muscles of the bronchi through the altered functional activity of the vegetative nervous system [2]. 2.2 Psychobiological theory Why can psychological factors trigger asthma? (1) Psychological factors cause the central nerve of the brain to lose the regulation of the vegetative nerves, thus prompting the release of certain mediators, causing the contraction of bronchial smooth muscle and mucosal edema; (2) Psychological factors cause the dysfunction of endocrine function; through the hypothalamus and its control of the pituitary gland and affect the immune function, thus reducing the body’s resistance to viruses, bacteria, allergic factors, biochemical factors. (3) Psychological factors affect the immunity of the whole body or bronchial mucosa, making it more sensitive to allergens. It also causes bronchospasm and production of large amounts of secretions (mucus) blocked in the bronchi [2] . 2.3 Learning theory From a behavioral point of view, an asthma attack immediately draws the attention of parents or others, which may cause them to avoid responsibilities such as housework, exercise and certain social activities, gaining secondary benefits, so that the individual acquires habitual psychological and physiological responses that become bronchial asthma through idiosyncratic changes ［2］ . 3. Preventive measures 3.1 Create a quiet and comfortable living environment and develop a reasonable living habit (1) Clean the living room frequently, keep the air fresh and circulating, do not lay carpets, floor films, or place flowers and plants, and bedding and pillows should not be filled with allergy-prone items such as feathers or old cotton wool, and they should be exposed to the sun frequently and changed and washed diligently. Avoid inhaling too cold, too dry, too wet air, smoke, gas, perfume, air fresheners and other items with strong odor; (2) reasonable living arrangements, to ensure sleep, avoid strain, life should be regular, correct smoking, excessive alcohol consumption and other habits; (3) diet should be light and easy to digest, and rich in vitamin food, drink more water, avoid known asthma-causing drugs and eating (3) Avoid asthma-inducing drugs and foods that are known to cause asthma, such as pungent, sour, spicy, fried, eggs, fish and shrimp [3]. 3.2 Strengthen physical exercise Among the common sports for asthma patients, swimming, rowing, tai chi, gymnastics, badminton, walking, cycling, and jogging are suitable in order. When the condition permits, asthma patients can participate in some relaxing and entertaining sports and competitions to achieve physical exercise in a relaxed and happy state of mind, so that patients can continuously enhance their physical fitness and improve their ability to resist diseases. 3.3 Mental health education (1) To detect the aura of attack in time, such as irritability, itchy throat, chest tightness and dry cough, etc. The aura should be detected immediately with antispasmodic and sedative drugs, such as aminophylline or other wheezing aerosols. Raise awareness of the patient’s psychological state and give positive treatment; (2) change unfavorable emotions, lift the vicious cycle of respiratory distress and adverse negative emotions, and assist the child in adjusting his or her psychological state to be free of tension and fear, so that the child is often in a happy state of mind; (3) change poor behaviors and family patterns associated with asthma attacks; (4) instruct and encourage the patient to take care of himself or herself and eliminate submissiveness, (5) improve the function of pulmonary ventilation and provide regular medical services as much as possible; (6) grasp various psychosocial factors and their personality characteristics, and guide patients in self-relaxation training; (7) help patients adapt to the living environment, harmonize interpersonal relationships, actively improve living conditions, and promote the spirit of mutual help and love, etc.