Itchiness may be caused by infectious, physical, allergic, herpetic and other skin diseases, which need to be treated with medication or physical therapy. Because of the individual physique and the severity of the disease is different, its treatment effect is also different, there is no best way to stop itching. 1. If it is caused by infectious skin diseases, such as folliculitis, you can follow the doctor’s instructions for external use of fusidic acid ointment, oral amoxicillin and other antibiotics, etc.; the application of ultraviolet light irradiation and other physical therapy can promote the inflammation to subside. If fungal infection caused by ringworm and other diseases, need to give antifungal treatment, such as external ketoconazole, miconazole ointment, oral itraconazole, terbinafine and other antifungal drugs. 2. If it is caused by physical skin diseases, such as prickly heat, you can follow the doctor’s instructions to use prickly heat powder, oral levocetirizine and other antihistamines. Such as solar dermatitis, can be used externally glycerite lotion or glucocorticoid cream such as hydrocortisone butyrate, accompanied by oozing can be used boric acid solution wet compresses. 3. If it is caused by allergic dermatosis, such as contact dermatitis, you can follow the doctor’s instructions oral loratadine and other antihistamines, the application of dexamethasone and other glucocorticoid ointment and so on. 4. If it is caused by herpetic dermatosis, such as herpes-like pemphigoid, oral glucocorticosteroids such as dexamethasone and immunosuppressants such as cyclosporine can be prescribed. It is recommended that people with itchy skin go to the hospital in a timely manner to clarify the cause of the disease and standardize the treatment under the guidance of the doctor in order to avoid delaying the condition.