Knee fat pad inflammation can manifest as pain, soreness, tenderness, and dysmobility of the knee joint. Knee fat pad inflammation is usually caused by trauma to the infrapatellar fat pad of the knee or inflammation of the joint, such as osteoarthritis, rheumatoid arthritis, gouty arthritis, etc., resulting in chronic aseptic inflammation of the fat pad. The following symptoms are often observed 1. Knee pain: the pain in infrapatellar position is more obvious, and the pain will be aggravated when standing up suddenly, and also aggravated when cold, standing for a long time or bearing weight. 2. Soreness, swelling, pressure and pain: there will be obvious soreness and swelling as well as pressure and pain on both sides of the patella in the knee joint. 3. Mobility disorders: the pain will cause obvious limitation of knee joint movement when extending and flexing the knee. When the above symptoms occur, it is recommended to go to the hospital in time for regular treatment.