Patients with knee tendonitis can be treated in several ways: first, limiting activities: strenuous exercise may gradually aggravate tendon inflammation and make it difficult to relieve it. Second, physical therapy: with local ultrashort wave therapy, microwave therapy, local heat treatment, can accelerate blood circulation, improve tendon inflammation, and relieve the clinical symptoms of pain. Third, medication: the use of non-steroidal anti-inflammatory and analgesic drugs, such as celecoxib capsules, loxoprofen sodium, meloxicam, etc., can reduce inflammation and relieve pain. Fourth, wearing a knee brace: it can protect the knee joint and reduce the stress of tendon inflammation, which can also relieve pain and reduce clinical symptoms. Through a combination of these methods, most patients will get rapid relief of pain and other clinical symptoms. In addition, patients should usually avoid getting cold, occurring injuries, etc. to prevent recurrence of symptoms.