Postoperative tourniquet pain after knee surgery, can use physical therapy such as early ice, drug therapy such as non-steroidal anti-inflammatory analgesic drugs celecoxib and other applications, but also the application of femoral nerve block and other methods to relieve pain. 1. Early ice: ice can reduce the inflammatory reaction brought about by tourniquet, reduce local pain and discomfort, and at the same time help to reduce local bleeding. 2. Drug therapy: such as non-steroidal anti-inflammatory analgesic drugs, celecoxib, etc.. 3. Femoral nerve block method: this method has obvious analgesic effect, but it requires a large amount of anesthetic drugs and may produce hematoma. It should be pointed out that, in order to reduce the pain of the tourniquet after knee surgery, the clinical use of drugs over the anterior analgesia; postoperative pain is severe, you need to inform the doctor in a timely manner, in accordance with the doctor’s instructions.