Trauma scars can not be eliminated with the use of ointment, clinical generally use silicone gel, compound heparin sodium allantoin gel and other ointments for improvement. 1. Silicone gel: silicone gel can cause hydration under the stratum corneum tissue, enhance the skin water locking degree, so that the scar tissue to maintain moisture, so that the softening, narrowing, and play a role in improving the role of scars. 2. Compound Heparin Sodium Allantoin Gel: Compound Heparin Sodium Allantoin Gel can inhibit the synthesis of collagen in fibroblasts, so as to achieve the effect of scar inhibition. The above drugs have adverse reactions, it is recommended to use under the guidance of a doctor. Trauma scars clinical generally use local injection of drugs, surgical treatment, radiotherapy, physical therapy methods to improve, it is recommended that patients go to the regular hospital for treatment.