Scar removal medications have a role to play, but should be started in the early stages of scar formation. Topical remedies for scar removal are common such as sodium heparin sodium allantoin compound gel and mucopolysaccharide polysulfate cream. Compound heparin sodium allantoin gel contains sodium heparin, allantoin and other ingredients and can be used for the treatment of hyperplastic scar and keloid; Mucopolysaccharides polysulfate cream is a fibrinolytic drug that can inhibit the formation of scars and soften the scars, they should be used from the early stage of scar formation. Topical medications should be used for anywhere from a few weeks to a few months when treating scars, and should be started at the stage of initial scar formation; they have a more limited effect on improving scars if they are old. It is necessary to visit a hospital and consult a specialist, and the medication should be used according to the doctor’s instructions.