Trait often refers to the constitution with some congenital endowment or hereditary diseases, including allergic constitution, congenital malformation or physical defects. Idiopathic common symptoms often have congenital and familial characteristics, and fetal diseases are the characteristics of maternal influence on the growth and development of fetal individuals and related diseases. Idiopathic diseases include: allergic people are prone to drug allergy and hay fever; Hemophilia, congenital stupidity and genetic diseases such as "five tardiness", "five softness" and "craniotomy" mentioned by Chinese medicine; Fetal diseases include fetal fever, fetal cold, fetal shock, fetal obesity, fetal epilepsy, fetal weakness and so on. Special physique is a kind of people with special physique, so people with special physique should be specially nursed back to health. There are three kinds of idiosyncratic constitution: the first is allergic constitution. Most people with allergic diseases such as allergic rhinitis, allergic asthma, allergic purpura, eczema and urticaria belong to this category. The second is genetic disease constitution. It is a family history of hereditary or congenital diseases, and most of them are difficult to cure. The third is the fetal constitution. It is a kind of constitution caused by the bad influence of mother during pregnancy. Some people have family allergies, starting from a very young age and lasting for a lifetime; Some people may find out in their thirties and forties. In other words, this kind of person has congenital special conditions and is influenced by the environment when he attacks. General features: Congenital disorder, mainly manifested as physiological defects and allergic reactions. Physical characteristics: people with allergies generally have no special symptoms; People with abnormal congenital endowment are either deformed or physically defective. Common manifestations: allergic people often have asthma, wheal, itchy throat, stuffy nose, sneezing and other symptoms; Patients with hereditary diseases have vertical inheritance, congenital and familial characteristics; Patients with fetal diseases have the characteristics that the mother affects the growth and development of the individual fetus and related diseases. Psychological characteristics: Different situations vary from person to person. Incidence tendency: people with allergic constitution are prone to asthma, urticaria, hay fever and drug allergy; Hereditary diseases such as hemophilia. Adaptability: poor adaptability. For example, people with allergies have poor adaptability to allergic seasons and are prone to old diseases. Conditioning principle: benefiting qi and consolidating exterior, nourishing blood and expelling wind. Commonly used drugs are: Radix Astragali, Atractylodis Rhizoma, Herba Schizonepetae, Radix Saposhnikoviae, Periostracum Cicadae, Mume Fructus, Herba Leonuri, Radix Angelicae Sinensis, Radix Rehmanniae, Scutellariae Radix, Cortex Moutan, etc. First, the diet should be light and balanced, with appropriate thickness and reasonable mix of meat and vegetables. Eat more foods that benefit qi and strengthen the exterior, and eat less spicy products, such as buckwheat (containing allergenic substance buckwheat fluorescein), broad beans, white lentils, beef, geese, carp, shrimp, crab, eggplant, wine and pepper. And avoid fishy hair and foods containing allergens. Avoid eating all kinds of allergic foods to reduce the chance of attack. Attention: Special people should avoid eating cold, fat, sweet, greasy and all kinds of "hair", such as fish, shrimp, crab, pepper, fat, strong tea and coffee, so as not to cause chronic diseases. Avoid contact with allergic substances, such as dust mites, pollen and paint. Second, the living room should be well ventilated to avoid allergens. Keep the room clean, wash and dry bedding and sheets frequently to prevent dust mite allergy. It is not advisable to move in immediately after interior decoration. Before moving into a new house, you should open the window and let the formaldehyde evaporate. When there are a lot of outdoor pollen in spring, it is necessary to reduce the outdoor activity time to prevent pollen allergy. It is not advisable to keep pets, so as not to be allergic to animal fur. Regular daily life and adequate sleep. Third, strengthen physical exercise, actively participate in various physical exercises, and enhance physical fitness. Exercise in cold weather should pay attention to cold and warmth to prevent colds.