When the skin wound is exposed to dry air, it may lead to crusting of blood, secretions, etc., resulting in a dry and painful wound. Local treatment and medication can be prescribed according to the wound condition. 1. Local treatment: If the patient only has dry and painful wounds caused by simple trauma, and the wounds are dry and have no secretion, the patient can use iodophor, potassium permanganate solution and other disinfectant solution to carry out local disinfection treatment. 2. medication: if the patient is infected wound dryness, pain, the affected area may also be accompanied by redness, swelling, heat and pain and other inflammatory manifestations, the patient should consult a doctor in a timely manner, you can follow the doctor’s instructions to use painkillers: such as ibuprofen, etc.; antibiotics: such as cephalosporin, erythromycin, etc. for treatment. It is recommended that patients strictly follow the doctor’s instructions to use medication, actively cooperate with the doctor’s treatment, in life on time to change the dressing, pay attention to keep the wound clean, regular review.