Standing stakes that the body as a stake standing still, standing stakes knee pain is mainly considered to be caused by long-term maintenance of the same action, is a normal physiological phenomenon. It is a normal physiological phenomenon. At the same time, we should also consider the possibility of incorrect posture, joint strain and other diseases. 1. Physiological phenomenon: keeping the posture of standing pile for a long time will cause greater pressure on the bones and muscles of the knee, affecting the blood circulation of the lower limbs, and then appear knee pain, which is a normal physiological phenomenon, after stopping the standing pile, it will soon return to normal. 2. Incorrect posture: The incorrect posture of standing on piles will lead to greater pressure on the knees, prompting soft tissue and cartilage contusion, and then the symptoms of knee pain. 3. Joint strain: Long-term engagement in heavy physical labor can lead to knee joint soft tissue and cartilage strain, further aggravation of the condition after staking, which can lead to symptoms of pain. 4. Other diseases: such as rheumatoid arthritis, osteophytes and other diseases in the knee area, in the staking after a greater pressure, can cause acute attacks, knee pain symptoms. The symptoms of knee pain after standing on piles, such as rest does not relieve, can consult a doctor in time to confirm the diagnosis, and follow the doctor’s advice to deal with.