The hair on the top of the head is getting thinner and thinner, androgenetic alopecia, baldness and other diseases, need to clarify the cause of the disease, take medication, surgical treatment, phototherapy, etc., to improve the symptoms and control the condition. 1. Androgenetic alopecia: oral finasteride maintenance treatment; female patients can take oral cyproterone treatment; topical minoxidil to promote hair growth; hair loss is serious, feasible hair transplantation treatment. 2. Patch baldness: Patch baldness has a certain degree of self-healing, if the symptoms are more serious, can be used externally minoxidil, etc., to improve local blood circulation, promote hair growth, local inflammation, can be used externally glucocorticosteroid treatment, such as prednisone suspension, etc., to help hair growth; can be given to the photoelectric treatment. It is recommended that patients go to the dermatology department of a regular hospital, and under the guidance of the doctor, choose the appropriate treatment for treatment. When using medication, strictly follow the doctor’s instructions to use medication, not blindly self-medication.