Skin contact with dichlorvos blisters (blisters), can be washed in a timely manner, medication, and timely medical treatment. 1. Timely cleaning: because organophosphorus pesticides can be absorbed through the skin, so when the human body after contact with dichlorvos, need to be repeated thoroughly wash, minimize the pesticide through the skin absorption. 2. medication: local blisters can be applied under the guidance of a physician mupirocin ointment, to prevent infection; the affected areas of itching and other manifestations of contact dermatitis, can be applied topically under the guidance of a doctor dexamethasone acetate ointment for local application. 3. Timely medical treatment: If more exposure to pesticides can cause poisoning, the patient if manifested as pupil narrowing, nausea, vomiting, sweating and other symptoms, need to go to the hospital immediately for treatment and examination. Need to go to the hospital, the physician according to the condition of the treatment, they can not just randomly use drugs.