Swelling of the arm, the common clinical causes generally speaking, there are mainly the following situations, a, patients with strenuous exercise accidentally fall, can cause soft tissue damage at the arm and cause significant swelling. At this time, the patient will be accompanied by obvious pain, activity limitation, can be through the local ice, reduce tissue exudation, oral MaiZhiLing, full rest, etc., to promote the gradual alleviation of the symptoms of arm swelling. Secondly, patients with deep vein thrombosis of the upper extremity can have their arms swollen because of the obstruction of venous blood return and the large amount of blood stagnation in the superficial blood vessels. Patients can take subcutaneous injection of enoxaparin sodium and oral aspirin to promote faster dissolution and absorption of thrombus, restore smooth blood flow and reduce the symptoms of arm swelling. Third, patients with cirrhosis loss of compensation, the body will appear hypoproteinemia, a large amount of water infiltration into the tissue interstitial, manifested in the arms and other limbs obviously. You can reduce arm swelling by supplementing albumin, liver protection and diuretic treatment.