1, not indiscriminate use of drugs, preferred antifungal preparations can not use some topical drugs containing corticosteroid preparations, such as compound dexamethasone acetate cream (dermatoprost), flouro easy (skin easy), etc.. Hormonal topical medications can only lead to the spread of lesions, spreading and inflammation aggravation. 2, need to adhere to the medication topical antifungal drugs can slightly expand the area of the coating, generally beyond the visible lesion range of 2 to 3 cm, the edge of the lesion “normal” skin may have been fungal infection. Generally 1 to 2 times a day, the course of treatment 2 to 4 weeks, after the disappearance of symptoms (usually takes about 2 weeks), even if the affected skin seems to have returned to normal, we must continue to adhere to the medication. Many patients see the skin improve immediately stop, in fact, at this moment the fungus has not been completely cleared, from the professional point of view need to achieve clinical cure and mycological clearance, so still need to adhere to the medication for half a month to 1 month. The actual fact is that the fungus has not yet been completely cleared. 4. Never scratch or scald with hot water Ringworm is easily transmitted by direct contact from scratching tinea pedis, ringworm, ringworm of the head, etc. Transmission from the foot to the hand through scratching is the most common way, so it is important to avoid scratching directly with the hand so as to reduce the occurrence of ringworm in the hand and other parts of the body. In addition, some patients prefer to scald with hot water because of itching, which can lead to eczema or tinea. It is a bacterial infection that involves the superficial lymphatic vessels of the dermis. The prodromal symptoms include fever, chills, malaise, and nausea, with erythema appearing a few hours to a day later and expanding progressively with clear boundaries. The affected area is dermatologically warm and tense with hard nodules and non-depressed edema, and the affected area is painful to the touch and burning, most often on the lower legs and face.