After vein thrombosis surgery, the incision is healed, the thigh muscle pain may be caused by wound not healed, inflammation stimulation, thrombus recurrence and other etiological factors, which can be treated accordingly with physiotherapy and other treatments. 1. The wound is not healed: after the incision is healed after venous thrombosis surgery, the thigh muscles in the surgical area may not be healed yet, and the pain spreads to the muscle tissues, thus the symptom of thigh muscle pain occurs. Generally, no special treatment is needed, and the pain will heal by itself after resting for some time. 2. Inflammatory stimulation: it may also be the surgical site of the inflammatory reaction, under the stimulation of inflammation will lead to thigh muscle pain. Patients can elevate the lower limbs, local hot compresses, or follow the doctor’s instructions to take amoxicillin, cefaclor and other antibiotics to fight infection, such as pain is serious, you can also take ibuprofen, diclofenac sodium and other limb medication. 3. Thrombus recurrence: surgery is not complete, or because of the complete removal of the disease, thrombus recurrence, can also cause thigh muscle pain. You can take warfarin sodium tablets, dipyridamole tablets and other medications. At this time, physical therapy can also be used to promote the circulation of blood flow in the operation area and reduce the pain by applying hot compresses and infrared irradiation to the painful area. To summarize, thigh muscle pain after venous thrombosis surgery should be promptly consulted and treated in accordance with medical advice.