Hair loss can be due to physiological factors, mental stress, physical and chemical factors, genetic factors, etc. It is necessary to carry out general treatment and medication for the cause of the disease. 1. Under normal circumstances, each person may lose 70 to 100 hairs per day, which is physiological hair loss, without special treatment, pay attention to avoid stimulating the scalp. 2. Mental tension: due to excessive stress, can cause mental tension and hair loss. It is recommended to adjust the state in time and relax your mood. If necessary, go to the hospital to seek medical help. 3. Physical and chemical factors: if frequent hair coloring, perming, exposure to X-rays, etc., may lead to hair loss all the time. It is recommended to reduce the frequency of hair coloring and perming, avoid using unqualified shampoos, etc., and reduce contact with harmful rays. 4. Genetic factors: If seborrheic alopecia occurs, you can take finasteride, spironolactone, minoxidil and other medications under the guidance of a doctor. In addition, certain adjustments should be made in diet and sleeping habits. Avoid consuming too much spicy and greasy food, and consume more fresh fruits and vegetables. Maintain sufficient sleep, and should also avoid prolonged exposure to sunlight. Hair loss should be treated in a timely manner and in accordance with medical advice.