Keloids are usually abnormal overgrowths of scar tissue that form after the healing of a skin wound or an unexplained injury to the skin, manifesting as itching, burning pain, the appearance of hard pink pimples, or thickening of the skin, which can be excised through surgical treatment options. Keloid surgery includes keloidectomy combined with reduction fine suturing and keloidectomy flap grafting. The former is suitable for smaller keloid scars formed after surgery; the latter is suitable for patients with larger keloid base area. Because the keloid is still traumatized by re-excision, there is a high possibility of postoperative keloid hyperplasia, and some of them need to be combined with radiation therapy. After the formation of keloid, it is necessary to pay attention to avoid repeated scratching stimulation, and at the same time in the keloid formation of parts of the attention to avoid friction stimulation of clothing, etc., to keep the local dry and clean, to avoid keloid skin ulceration secondary infection. If there is a need for surgery, it is recommended that patients go to a regular medical institution to avoid adverse consequences.