The main treatments for knee tendonitis include general treatment, medication, other treatments and surgery. 1. General treatment; first of all, activities should be restricted, but also can wear a brace to protect the knee joint and reduce inflammation and pain. 2. Medication; non-steroidal anti-inflammatory drugs such as celecoxib and meloxicam can be used to reduce inflammation and also relieve pain. 3. Other treatments; local ultrashort wave therapy, microwave therapy, local heat treatment and other physical therapy measures can promote local blood circulation and reduce inflammation. 4. Surgical treatment; for long-term conservative treatment is ineffective or the symptoms are more serious, you can take surgical treatment commonly used surgical tendon repair and so on. If you are diagnosed with knee tendonitis, you should follow the doctor’s instructions for scientific treatment, medication and physical therapy.