Knee swelling can be treated with cold compresses, braking, surgical treatment, physical therapy, hot compresses, application of non-steroidal anti-inflammatory drugs and other methods, as follows: First, cold compresses, braking, surgical treatment: If the knee swelling is caused by trauma, such as knee fractures, ligament tears, meniscus injuries and other causes, you can use local cold compresses, braking, and with surgical treatment to restore the stability of the lesion structure within the joint and This can gradually relieve the swelling of the knee joint. Second, physiotherapy, hot compresses, and application of non-steroidal anti-inflammatory drugs: If the swelling is caused by chronic diseases of the knee joint, such as knee synovitis and knee osteoarthritis, physiotherapy, hot compresses, and application of non-steroidal anti-inflammatory drugs such as celecoxib can be used to improve the symptoms of swelling. At the same time, we can cooperate with the muscle strength and resistance training around the knee joint to accelerate blood circulation and eliminate joint swelling. In severe cases, artificial joint replacement surgery is also required to completely resolve the clinical symptoms of knee swelling. Patients should also cooperate with rehabilitation training after surgery to restore the function of the joint.