A bulge in the leg from a bump can be treated with rest, medication, and local physical therapy. 1. Rest: the bulge caused by a bump on the leg may be a soft tissue hematoma, which can be relieved by reducing activities and taking proper rest. If there is a wound, it needs to be sterilized to avoid infection. 2. Medication: If the bulge is serious, you can use medication to treat it. Under the guidance of the doctor, you can use medication such as Sulphuric acid capsule to promote recovery. For patients with severe pain, you can take ibuprofen extended-release capsules and other drugs to relieve the pain as prescribed by the doctor. 3. Local physical therapy: for the bulge can be ice, local massage, hot packs, infrared irradiation and other ways of treatment, need to pay attention to is the acute period to take the way of ice, after the acute period to take the way of hot packs. To promote blood circulation, reduce local edema. If the bulge is serious, it is recommended to consult a doctor as soon as possible, improve the relevant examination, such as X-ray, etc., to clarify the cause of the disease and then targeted treatment.