Red itchy skin after applying ointment, which is caused by the patient’s allergic reaction to the material or drug used to make the ointment, the ointment should be removed immediately, and oral and topical anti-allergic drugs should be used. After applying the ointment appeared allergic red itching consider contact dermatitis, need to immediately remove the ointment, observe the allergic parts of the skin. If there is no breakage, the local skin can be rinsed with water. Treatment can be oral anti-allergy drugs such as loratadine, levocetirizine hydrochloride, etc., and external anti-itch, anti-inflammatory, anti-allergy drugs such as halometasone cream, compound camphor cream. If the condition is serious, glucocorticosteroids such as prednisone and methylprednisolone should be used orally or even intravenously. The above drugs should be used in accordance with the doctor, do not self-medication. In addition, after the cream allergy need to pay attention to maintain clean and dry skin, avoid spicy and stimulating diet, pay attention to rest, avoid staying up all night and labor.