After a traumatic injury, the leg is bruised, which is caused by the rupture of capillaries in the subcutaneous tissues, bleeding and blood leakage, and local swelling, and pain. In the acute phase of the injury, you can choose the method of ice, while the limb needs to be elevated to promote venous blood flow, within 72 hours after the injury, the application of ice wrapped in a towel, applied to the injured part, can significantly reduce swelling, but also to assist the role of pain relief. It can also be combined with oral anti-inflammatory drugs, cefadroxil tablets or oral roxithromycin dispersible tablets. During the treatment period, it is important not to bear weight and avoid excessive activities or walking, because it can lead to the aggravation of lower limb swelling. If necessary, you can also choose to wear compression stockings or apply an elastic bandage for local compression, which can also reduce the patient’s pain and discomfort. Take care to review the patient regularly and have an X-ray examination if necessary.