How long can the swelling go down after the patient’s local edema is treated with ice, which should be analyzed objectively according to the severity of the swelling. If the local soft tissue swelling is caused by trauma and the symptoms of injury are mild, the symptoms of local swelling can subside on their own after 24-48 hours by applying local ice to reduce tissue exudation, which will not cause serious impact on the human body. Second, if the patient’s soft tissue injury is more serious, accompanied by local skin temperature rise, obvious pain, simply through ice, only to touch the local capillary constriction, reduce tissue exudation, but has formed the swelling often can not be faster to subside, can be combined with hot amoxicillin package external application, blood circulation and stasis cream external application, local massage, massage and other Chinese medicine physical therapy to promote the out of the soft tissue faster repair, generally need 5-7 days of It usually takes 5-7 days for the local swelling to subside on its own.