In the summer and autumn, when papules, pimples or small blisters occur on the hands and feet in contact with the soil, accompanied by itching, consider the possibility of hookworm dermatitis. Dermatitis of hooked larvae, commonly known as “fecal touch” and “fecal poisoning”, is an inflammation of the skin caused by hooked larvae, which can last for 3 to 5 days. Subsequently, coughing and shortness of breath can occur, so when the larvae invade the skin, there is a local itchy rash and protruding papules or small herpes. Prevention: 1. Commonly used anthelmintic drugs: mebendazole, prothiimidazole, thiabendazole and other drugs, in addition to the adult worms have the effect of killing anthelmintic, eggs and larvae also have the effect of inhibiting the development or killing. The 15% ointment prepared with thiabendazole can be applied locally to treat hookworm dermatitis, and the effect is better if supplemented with heat therapy. Immerse the infected area in hot water at 53℃ for 20-30 minutes, which may kill the migrating larvae in the subcutaneous tissue. 2, control the source of infection Treatment of patients to control the source of infection is an important link to prevent the spread of hookworm dermatitis, strengthen the management of feces and harmless treatment, is an important measure to cut off the transmission of hookworm. The use of manure and urine mixed storage, sealed digesters, five cells three pool type sedimentation, etc. to kill the eggs, and then used for dryland crop fertilization. When fertilizer is needed urgently, animal manure or chemical fertilizer can be used instead. Strengthen personal protection and prevent infection, advocate wearing shoes when farming, hand and foot skin coated with foam 1.5% levamisole boric acid alcohol solution or 15% thiabendazole ointment, to prevent infection has a certain effect. Should strive to use mechanical labor instead of manual operation to reduce the chance of infection. 3.Strengthen fecal management and harmless treatment Strengthening fecal management and harmless treatment is an important measure to cut off the transmission route of hookworm. Use mixed storage of manure and urine, strengthen personal protection and prevent infection, advocate wearing shoes when farming, and strive to use mechanical labor instead of manual operation to reduce the chance of infection. Actively treat patients with hookworm disease, reduce or eliminate the source of infection, and prevent the discharge of hookworm eggs. Vegetable farmers should strengthen self-protection work, do not play barefoot when going to the ground, it is best to wear rubber shoes to reduce the chance of contact with sewage, mud and weeds on the wet ground, to prevent hookworm larvae from burrowing into the skin and causing dermatitis.