The disease is often caused by tinea cruris, eczema, scabies, etc., and should be treated with appropriate medication according to the cause. 1. tinea cruris: tinea cruris can appear as a result of dermatophyte infection of the skin, and the pathogenic bacteria are basically the same as tinea pedis, including Trichophyton rubrum, Trichophyton rubrum, Microsporum plasterum, and Flocculent epidermis. In the case of impregnated erosion, lead acetate solution and boric acid solution can be used as a wet compress, and when the liquid exudation is reduced, powder treatment such as alum powder and miconazole powder is used. At the same time can be treated with oral itraconazole or terbinafine, but may lead to patients with rash, itching and digestive discomfort symptoms, the above adverse reactions promptly stop the drug, consult a doctor whether to replace the drug; 2, eczema: is an inflammatory pruritic skin disease, can also cause rotten hand performance, can appear symmetrical rash, conscious itching symptoms. You can apply topical flufenamic acid butyl ointment, which has a certain anti-inflammatory and itch-relieving effect. If the erythema caused by eczema is obvious, you can apply topical fusidic acid cream, there is a better therapeutic effect; 3, scabies: rotten handmaid can also be seen in the contact infectious skin disease caused by scabies mites, namely scabies, often itchy and intense, especially at night, can be directly infectious or indirectly infectious. Can local wet compress skin Kang lotion, compound sulfur lotion or smear sulfur ointment, can be cleaned to be erosion dry after the medication, before bedtime coated with better efficacy. The above medications should be used under the guidance of a doctor or in accordance with the instructions. Patients should try to keep their hands dry and avoid eating spicy and irritating foods.