Knee joint pain is like having gas, and the pain that turns around for a while indicates that it is wandering pain, which may be caused by rheumatism and rheumatoid arthritis, chronic strain and other factors. 1. Rheumatism and rheumatoid arthritis: clinically, the joints turn around the pain is called wandering pain. Wandering pain is mostly seen in rheumatoid arthritis and rheumatoid arthritis patients. Rheumatoid arthritis of the knee joint is generally not a fixed location of pain, knee joints often appear pain, swelling, stiffness and other manifestations, generally symmetrical for both knees. 2. Chronic knee joint strain: due to prolonged heavy physical labor, caused by the strain of the tissues around the knee joint, when the area of the strain is large and the location is uncertain, the knee joint pain will also appear in an irregular position, with a certain part of the pressure increases and the corresponding part of the pain aggravates. In addition to the above reasons, gouty arthritis and osteoarthritis can also cause the above symptoms. If you experience any of these symptoms, it is recommended that you go to the hospital for early treatment.