Impaired venous return can cause swelling, pain, etc., and in severe cases, localized necrosis. It can be treated by wearing compression stockings, venous compression pumps, and surgery. 1. If the symptoms are mild, such as swelling and bruising, they can be treated by bed rest, elevation of the affected limb and hot compresses. 2. Compression stockings can also relieve symptoms, but because venous return obstruction is prone to recurrence, decompression should be done in a gradual manner when using compression stockings. 3. If symptoms are severe, such as bruising, necrosis, deep vein thrombosis, etc., anticoagulation (e.g., heparin), thrombolysis (e.g., intravenous streptokinase), and surgical removal of the thrombus can be performed, and the appropriate treatment needs to be chosen according to the cause of the disease. Venous reflux disorders can develop in all veins of the body, mostly in the lower extremities. Once deep vein thrombosis occurs, dislodgment of the embolus can easily lead to pulmonary embolism. Therefore, it is recommended to consult a doctor in time when similar symptoms are detected, and medications should be applied under the guidance of a doctor.