Clinically, patients have knee bending sound, this phenomenon is mainly due to the patient in the activities of the knee joint, resulting in knee meniscus, synovium, ligaments, fat pads and other tissues friction and produce popping, the patient in the emergence of knee popping at the same time and there is no other abnormal sensations, it is a kind of physiological popping, you can not take special treatment to give regular observation can be. Patients with knee popping accompanied by localized pain, or knee flexion and extension limitations should take symptomatic treatment, indicating that the patient may suffer from meniscus injury or osteoarthritis, the patient should be instructed to reduce the weight-bearing activities of the knee, but also pay attention to the local warmth, you can take a hot compress or localized fumigation of traditional Chinese medicine, or external application of activating blood circulation and removing blood stasis, reduce swelling and relieve pain of ointment can be Reduce or relieve clinical symptoms.