1.What are the main causes of hair loss? Alopecia areata is a multi-morbidity and common disease in dermatology, and is currently considered a physical and mental disease that affects patients’ life and social life, and may lead to depression and other psychological disorders in serious cases. The clinical manifestations can be divided into 3 types: baldness, baldness, and alopecia areata. Baldness is mainly related to androgenic alopecia, seborrheic alopecia and bacterial infection, while baldness is mostly related to mental factors, zinc, calcium and other trace element deficiencies, and alopecia areata is mainly caused by autoimmune factors, chemical drugs, poisoning and internal diseases. Chinese medicine believes that the disease is based on liver and kidney deficiency, lack of qi and blood, and blood heat and blood stasis. 2.How to treat severe hair loss? What are the ways to improve mild hair loss? In modern life, various factors such as work stress, emotional depression, improper diet and bath stimulation can cause hair loss, but hair loss of less than 100 roots per day is normal and does not require treatment, and attention to life regulation is sufficient. If you have more than 100 hairs per day and it lasts for more than 30 days, you need to find out the cause and treat the symptoms. For more severe androgenetic alopecia, the commonly used drugs include finasteride, estrogen and minoxidil solution, and Chinese medicine treatment is based on clearing damp heat. For less severe baldness, some topical minoxidil solution can be applied topically, or ginger slices can be applied, and drugs such as blood nourishing and hair growth capsules and tianma shouwu capsules can be taken orally. Generally speaking, Chinese medicine is effective for hair loss, but the course of treatment is longer. 3.What aspects of life can be good prevention? ①Enhance nutrition: use some fish, meat, eggs, soybeans, tofu, milk, etc., which are good for hair production. ② Eat zinc-containing foods in moderation: including malt, black fungus, sesame seeds and pumpkin seeds, etc. Zinc is one of the important elements for hair production. ③ less spicy and greasy food: including mutton, chili, wine, etc., spicy and fried food eaten too much, can promote androgen, increase the secretion of oil. ④ usually hair more combing, appropriate local massage, less alkaline shampoo shampoo, available moderate nutrient hair milk and other hair care agents, can reduce the secretion of scalp oil. These for the treatment of a certain auxiliary effect. ⑤ regulate the mood, pay attention to relieve the stress of work life, avoid excessive stress reaction.