Most of the patients with post venous thrombosis syndrome will get some relief after using air pump, such as localized swelling, swelling and pain will be relieved, and intermittent claudication can be improved to a certain extent. At present, patients with post-thrombotic syndrome can be treated with air pumps and medical compression stockings, together with medication and other comprehensive treatment, which can effectively alleviate their symptoms and achieve certain therapeutic purposes. The principle of the air pump is to massage the limbs with large squeezes according to the periodic inflation, which can effectively relieve the symptoms and prevent the formation of new blood clots by improving the local blood circulation and accelerating the flow of blood, as well as reducing the local swelling and pain by improving the blood circulation. Patients with post venous thrombosis syndrome need to actively cooperate with doctors for standardized treatment to try to improve the quality of life and reduce pain.