Neck ringworm may be caused by ringworm, psoriasis, florid chaff rash and other diseases, different diseases, different drugs, can follow the doctor’s instructions to use miconazole cream, dexamethasone ointment, ketoconazole cream, etc., for the treatment of the cause. 1. ringworm: is caused by fungal infection, occurring in the face, neck, trunk, limbs, etc., early lesions for pimples or small blisters, with the progress of the disease, can be spread to the surrounding spread, the center of the inflammation is reduced with dandruff or hyperpigmentation. The patient can follow the doctor’s instruction to apply miconazole cream, clotrimazole cream, terbinafine cream and other antifungal medicines, and also use the glucocorticoid-containing antifungal medicines such as tretinoin econazole cream as appropriate. 2. Ordinary psoriasis: commonly known as psoriasis, can occur in all parts of the body, lesions for the red papules or macules, covered with a thick layer of silver-white scales. Dexamethasone ointment, carbotriol ointment, tazarotene gel, tacrolimus ointment and so on can be used according to medical advice. 3. maculopapular furuncle: commonly known as lichen planus, occurring in the face, neck, shoulders and back, upper arms and other parts of the skin lesions for the border is clear point-like rash, the surface is covered with furfuraceous scales. Ketoconazole cream, miconazole ointment, econazole cream, etc. can be used according to medical advice. It is recommended that the patient go to the hospital in time, after clarifying the cause of the disease, and follow the doctor’s instructions to standardize the treatment.