Wuhan Yezi Plastic Surgery Hospital: Common non-surgical treatment: 1. Laser treatment: it is suitable for flat scar, concave scar, bridge scar, hypertrophic scar and keloid with different sizes left after smallpox and chickenpox are cured. Use Nd, YAG or CO2 laser to vaporize scar tissue to eliminate scar and abnormal skin pigment on scar. 2. Compression: suitable for large-area hypertrophic scars or scars that are not suitable for radiotherapy or local drug treatment. As an auxiliary treatment of radiotherapy and drug therapy, it can reduce the recurrence rate and reduce the dose of radiotherapy or drug therapy. 3. Radiotherapy: At present, radiotherapy for scars is mainly aimed at keloids. 4. Drug therapy: Glucocorticoid drugs are effective drugs, which can reduce the number of fibroblasts, reduce the function of collagen synthesis, promote collagen degradation, and flatten hypertrophic scars. In addition, silicon preparations such as silicon cream, silicon film, asiaticoside, retinoic acid, calcium channel inhibitors, antiallergic drugs, collagenase, antitumor drugs, immunosuppressants, traditional Chinese medicine, etc. all have certain curative effects.