For laser wounds it is recommended to disinfect them with povidone-iodine as prescribed by your doctor on a regular basis. Povidone-iodine can be used to sterilize and kill bacteria, viruses and fungi. Povidone-iodine is commonly used for skin disinfection and gradually releases iodine upon contact with the mucous membranes of the skin, thus acting as a disinfectant. Laser wounds can be cleaned and treated first, and then the affected area can be coated with iodophor, and then wrapped with clean gauze after drying to prevent infection. Patients should pay attention to avoid touching water in daily life, eat a light diet, prohibit spicy and stimulating food and food with more pigment, rest to ensure adequate sleep, prohibit staying up late, prohibit strenuous exercise, do a good job of sunscreen, scabs, prohibit premature picking. It is recommended that patients go to the hospital regularly for review, if there are adverse reactions, need to be standardized treatment under the guidance of the doctor.