Scar proliferation in medicine refers to proliferative scarring, there is no best way to prevent proliferative scarring, there are many reasons for the formation of purpura scars, which may be caused by trauma or surgery, and need to be taken for the cause of the general treatment, drug treatment. 1. Trauma: after trauma, you can apply erythromycin ointment, mupirocin ointment and other antibiotic drugs under the guidance of the doctor, such drugs have bactericidal and anti-inflammatory effects, which can prevent the wound from infection, and the infection may affect the healing of the wound, which may induce hyperplastic scarring. In addition, early wound healing should follow the doctor’s instructions for external use of silicone gel and other drugs, with the role of inhibiting scar proliferation. 2. Surgery: For hyperplastic purpura caused by surgery, the best way to prevent its formation is to reduce the tension sufficiently during the surgery, and to use tension reduction and silicone gel in the early postoperative period. If necessary, postoperative combined local radiotherapy. If you want to prevent proliferative scarring, it is recommended to go to the hospital, consult the doctor in detail and standardize the treatment under the doctor’s guidance.