Medical cold compress gel can not eliminate scars. Scars are the product of the healing process of human trauma or inflammation. Medical cold compress gel has the effect of cooling and dissipating heat, and cannot eliminate scarring. Once a scar appears, it cannot be completely eliminated, but according to the specific conditions of the scar, you can choose to improve the appearance of drugs, local injection therapy, physical therapy, surgical excision and other ways. Medical cold compress gel mainly utilizes the physical and chemical properties of some materials to maintain a relatively low temperature, acting on the skin of the head, armpits, sides of the neck and other parts of the skin, so that the local subcutaneous blood vessels in the blood dissipation, reduce the temperature; used in joints can also relieve the pain of the joint area. Allergic reactions such as skin redness, swelling and itching may occur after use. Medical cold application gel cannot eliminate scarring. It is recommended that patients who wish to treat scarring go to a regular hospital and take appropriate treatment as prescribed by the doctor, and not blindly use medication on their own, so as to avoid adverse consequences.