If you want to remove the scar formed by acne, generally in clinical practice, when the scar is just formed, you need to timely medication. Generally, it is advisable to apply asiaticoside cream ointment or some mucopolysaccharide polysulfonate cream externally for repair treatment. If the patient's acne is accompanied by certain proliferative reaction, it can also be treated with heparin sodium allantoin cream externally. In case of repeated acne and hyperplastic scars, some glucocorticoids can also be properly used for treatment, such as halometasone cream, or direct injection of diprospan injection. Some scars formed by patients can also be treated by physical treatment, For example, it can be treated by laser grinding.