If the amount of hair loss is less than 100 hairs per day, it is a normal physiological phenomenon and does not require special treatment. If the amount of hair loss is greater than 100 per day, it may be caused by diseases, such as seborrheic alopecia, baldness, severe malnutrition, etc., which can be improved by medication according to the specific cause of the disease. 1. Seborrheic alopecia: Seborrheic alopecia may be related to heredity and androgen. Women can use topical minoxidil to promote hair growth, and take oral spironolactone as prescribed by the doctor to improve the symptoms of hair loss, and hair transplantation can also be applied. 2. Patch baldness: Patch baldness is a short period of time in the appearance of round oval, non-scarring hair loss area, this disease has a certain tendency to self-healing. Patients can follow the doctor’s instructions to use topical minoxidil to promote hair growth, or local injection of tretinoin injection to inhibit the occurrence of local inflammation. 3. Severe malnutrition: Long-term dieting and weight loss or picky eating will lead to severe malnutrition, and the nutrients needed for hair growth will be lacking, resulting in severe hair loss. Patients need to eat a balanced diet, strengthen nutrition, maintain a good state of mind, avoid excessive stress. There may also be other reasons for serious hair loss in women, such as serious psychosomatic diseases. It is recommended that patients with pathologic alopecia go to the hospital in a timely manner, after clarifying the cause of the symptomatic treatment, such as the need to use medication should be used in accordance with the doctor’s instructions.