Hair loss is generally a physiological phenomenon, but may also be caused by seborrheic alopecia, baldness, need to adjust the lifestyle and dietary habits, pay attention to hair care, if necessary, for different causes of treatment. 1. Adjust the dietary habits: usually pay attention to early to bed and early to rise, avoid too much pressure from study and work, do not stay up late. It is best to eat more protein-rich foods such as meat, eggs and so on. 2. Hair care: do not perm and dye your hair more than twice a year, try not to scratch your scalp or tie your hair too tightly, and use shampoo and conditioner that are suitable for your hair. 3. Etiological treatment: baldness can be applied locally halometasone cream, minoxidil tincture, etc.; seborrheic alopecia treatment to reduce androgen-based, oral spironolactone tablets, finasteride tablets and so on. Drugs need to follow the doctor’s instructions to use. There may be other reasons for hair loss, and it is recommended that patients go to the hospital in a timely manner to clarify the cause of the disease and then treat the symptoms.