Surgical treatment for DVT is relatively better than conservative treatment, and surgical treatment is generally recommended, often through interventional procedures; superficial venous thrombosis can be treated conservatively. Deep vein thrombosis is mainly due to the vein wall, blood stagnation or in a state of hypercoagulation caused by the patient generally manifested as lower limb swelling, pain, venous thrombus dislodgement, with the flow of blood, the serious cases will cause pulmonary embolism, it is recommended to carry out surgical treatment and vascular intervention, surgery will be directly removed from the blood clots, the intervention of the thrombus with a special device inserted into the blood clots, blood clots will be suctioned out of the body, thrombus removal. Patients with deep vein thrombosis should keep the affected limbs braked to avoid massaging to cause thrombus dislodgement. If symptoms of chest tightness, shortness of breath and dyspnea occur, they should seek medical treatment in time to avoid pulmonary embolism, and elevate the limbs after surgery to promote reflux and reduce limb swelling, and turn over and pat on the back at regular intervals to prevent pressure ulcers, and need to strengthen the warmth of the affected limbs, and insist on proper training to promote blood circulation. Superficial venous thrombosis is treated conservatively by elevating the affected limb, promoting venous return, and applying anticoagulant medication such as low molecular heparin calcium. Deep vein thrombosis should be treated in time, and surgery is often chosen to remove the thrombus in order to achieve the therapeutic purpose and avoid causing pulmonary embolism.