Knee scars can be reasonably removed by general treatment, medication, and surgery, depending on the patient’s specific condition. 1.General treatment Compression therapy, one of the more effective ways to prevent and control early scarring, mainly uses elastic bandage, elastic sleeve, etc., which is used continuously in the early stage of scarring, which can reduce scar formation, promote scar maturation, and reduce the symptoms of itching and pain. 2.Drugs (1) Local medication: Silicone gel, which is commonly used, has obvious therapeutic effect on hyperplastic scar, which can promote the softening and thinning of the scar to reduce local itching and pain and other uncomfortable symptoms; glucocorticoid can be injected into the local lesions to promote the softening and thinning of the scar, and the commonly used medications include trimethoprim and so on. (2) Systemic medication: such as common trinilast, belongs to histamine antagonist, can effectively inhibit the role of fibroblasts, thus playing a role in the treatment of scar, but oral medication is not routinely recommended means. 3.Surgery Surgery is an important means of treatment for scarring, which is suitable for patients with scarring that causes dysfunction, malignant tendency, and affects aesthetics, and appropriate surgical methods can be selected according to the type of local scarring. Such as keloidectomy direct suture surgery, keloidectomy plus skin grafting and so on. There are more ways to remove knee scars, it is best to choose the appropriate method to remove them according to your own situation and under the guidance of your doctor.