1. Prevent infection: after laser wart removal, the skin will leave open wounds, it is very easy to cause bacteria and other pathogens infection, so we need to pay attention to keep the affected area dry and clean, avoiding water; if there is a scab need to wait for its natural fall, avoid picking the wounds with bare hands; or can be used externally with iodine povidone, antibiotic cream, etc. to avoid infection. 2. Anti-ultraviolet ray: after laser treatment, patients need to do a good job of sunscreen, avoid prolonged exposure of the skin in the sun and other strong ultraviolet environment, so as not to cause traumatic hyperpigmentation. In addition, after laser treatment, patients need to avoid eating spicy and stimulating food, increase the intake of fresh fruits and vegetables and other vitamin-rich food; if the patient in the trauma recovery period of inflammation, can be appropriate oral antibiotic drugs for anti-infection treatment. It is recommended that patients strictly follow the doctor’s instructions for skin care, so as not to delay the condition.