Wound scar itching is usually caused by newborn nerve and blood vessel proliferation. General treatment, medication and laser treatment can be used to inhibit scar proliferation and soften the scar, thus improving the local itching symptoms. 1. General treatment: Generally, you can use water or saline to clean the wound to prevent itching caused by the stimulation of foreign body accumulation around the wound. At the same time, try to avoid scratching, friction and other mechanical stimuli, hyperplastic scar local texture hard and brittle, so as not to cause skin breakage at the scar. 2. Drug therapy: early scarring can be used silicone gel or allantoin gel and other drugs to inhibit its proliferation; scar into the stabilization period, if there is still obvious protruding situation, can be considered as a scar injection of intracranial glucocorticoids, such as tretinoin to soften the scar. 3. Laser treatment: The photothermal effect of laser can promote the regeneration and rearrangement of local collagen, which can help improve the appearance of the scar and relieve the itching symptoms. All of the above measures need to go to a regular hospital to avoid the adverse consequences of blind self-medication.