Knee walking pain static pain is mainly related to trauma, overstrain, osteoarthritis, chondromalacia patella and other factors. 1. Trauma: trauma can lead to soft tissues around the knee joint such as ligaments and other tissues contusion, can also lead to articular cartilage damage, may also lead to traumatic synovitis, walking knee joints are subject to increased stimulation will be painful. 2. Excessive strain: If the patient carries out weight bearing on the knee for a long time, it may cause strain on the knee joint, resulting in meniscus or ligament damage, which will cause pain when walking. 3. Osteoarthritis: If the patient’s knee develops degenerative osteophytes, it may cause osteoarthritis, which may cause pain during activities. 4. Chondromalacia patella: If the patient has a history of trauma or long-term strain, it may cause chondromalacia patella, the patellar cartilage appears to be broken off, which will cause pain when walking. If this symptom occurs, patients should go to the hospital in time to check and receive appropriate treatment.