White scars appear on the wound after laser removal of a botryoid, which is scarring accompanied by loss of pigmentation after laser treatment of a warty mole or wart. Generally, there are medication, laser treatment, surgery and so on. 1. Medication: It is recommended to apply tacrolimus ointment, pimecrolimus cream and other drugs to promote the growth and migration of melanocytes and improve the loss of pigmentation; silicone gel can be used externally to inhibit scar proliferation, and local injections of glucocorticosteroids, such as 5-fluorouracil or trimethoprim, are conducive to inhibiting the growth of keloid scars. 2. Laser treatment: such as narrow spectrum UVB laser, 308 nm excimer laser can stimulate melanocyte proliferation; fractional laser can increase the overall pigmentation, and can also remove the proliferation of keloid scars. 3. Surgery: If necessary, the scar tissue with pigment loss can be surgically removed and sutured. However, the surgery is invasive operation, after the operation, we need to comply with the specialized medical advice standardized anti-scar treatment. It is recommended that patients who wish to be treated should go to the dermatology department of the hospital as soon as possible, and follow the specialist’s instructions to standardize the treatment, do not self-medication.