Hair alopecia areata, first of all, to maintain a good rest and sleep, relax, not too nervous, not too depressed. Regular exercise can cause dopamine release and promote the recovery of alopecia areata. Minoxidil tincture, Shenqi Yufa tincture and compound glycyrrhizin oral tablets can be used externally. If the patient is in the stage of progressive alopecia, he should also take hormones for treatment. Pay attention to regular work and rest at ordinary times to avoid fatigue and mental stress. Alopecia areata is a sudden localized alopecia with normal skin and no conscious symptoms, commonly known as ghost shaving. Some patients can merge into a large area, and even develop into total alopecia and alopecia areata. Treatment is divided into local treatment and systemic treatment. Minoxidil tincture and dexamethasone are commonly used in local treatment, and local hormone skin lesions are injected. Systemic therapy can use drugs to improve immunity, such as Zhi Bo injection and thymosin. Prednisone can be used for patients with intractable diseases, alopecia totalis and general alopecia. Hair alopecia areata, first of all, to maintain a good rest and sleep, relax, not too nervous, not too depressed. Regular exercise can cause dopamine release and promote the recovery of alopecia areata. Minoxidil tincture, Shenqi Yufa tincture and compound glycyrrhizin oral tablets can be used externally. If the patient is in the stage of progressive alopecia, he should also take hormones for treatment. The usual dose is 0.3~0.5 mg/kg, which can be treated by excimer laser.