Itchy scalp is considered to be poor scalp hygiene, may also be seborrheic dermatitis, psoriasis and other diseases, patients can take general measures, medication and other ways to stop itching. 1. Hygiene factors: If the patient is due to poor scalp hygiene, long time not wash the scalp caused by itchy, generally do not need special treatment. Recent attention to good scalp cleaning, every other day using warm water, mild non-irritating shampoo to clean the scalp, usually pay attention to avoid the use of hair gel and other hair cosmetics, can effectively improve the symptoms of itchy scalp. 2. Seborrheic dermatitis: lesions are often erythematous with small pieces of chaffy flakes, hair thinning or loss, accompanied by varying degrees of itching. Patients can follow the doctor’s instructions to use ketoconazole ointment and other antifungal topical drugs, or salicylic acid and other exfoliators applied to the scalp, to play a role in antibacterial, anti-dandruff, anti-itch. 3. Psoriasis: the loss can occur in all parts of the body, psoriasis occurs in the scalp can be seen bundles of hair and accompanied by flaking and itching and other symptoms. Patients can use vitamin D3 derivatives under the guidance of a doctor, such as cardapotriol, or oral retinoids such as avitamin A capsules for itching treatment. Itchy scalp may also have other causes, it is recommended that patients with itchy scalp first consult a doctor for examination, to clarify the specific cause of the disease, and then choose the treatment measures under the guidance of the doctor to stop itching.