Post-operative massage techniques to prevent thrombosis, thrombosis refers to deep vein thrombosis of the lower extremities, massage mainly massage the legs. The massage technique is mainly to massage the calf muscles from bottom to top, from the calf muscles of the ankle to the calf muscles of the knee joint, in the form of pulse pressure squeeze, but the technique should not be violent. After surgery and before the patient recovers from anesthesia, massage can be used to prevent deep vein thrombosis in the lower extremities. If the patient’s consciousness is restored, lower extremity DVT can be prevented by increasing the blood circulation in the lower extremity through ankle movement. The earlier the patient gets out of bed, the better the prevention of lower extremity DVT.