Young people with sudden stabbing pain in the knee like the feeling of pins and needles to consider with trauma, synovitis, gout, rheumatoid arthritis and other factors. 1. Trauma: after the knee joint is traumatized, it can lead to the damage of patella, meniscus, articular cartilage and cruciate ligament in the knee joint, and when the damaged part stimulates the surrounding soft tissues during the activity, it can cause the tingling pain in the knee joint like a pin-prick sensation. 2. Synovitis: If long-term strain and activity of the knee joint, can cause aseptic inflammation of the soft tissue of the knee joint, resulting in knee joint synovitis, inflammation stimulation can cause knee joint stinging pain like pins and needles. 3. Gout: If uric acid is elevated in the body and cannot be discharged from the body in time, uric acid is deposited in the knee joint, which can stimulate the synovial membrane of the knee joint and cause pins and needles pain. 4. Rheumatoid arthritis: rheumatoid arthritis, the severity of the pain is generally relatively weak, but can also be manifested as a pins and needles feeling. Young people knee sudden stabbing pain like pins and needles feeling may also be related to other reasons, it is recommended to seek medical attention in a timely manner to clarify the cause of the disease, and standardized treatment under the guidance of the doctor, so as not to delay the condition.