Patients with knee pain like pins and needles, there are several common causes: a. local fracture, the most common such as patella fracture, combined fracture knee will be accompanied by obvious swelling, pain, activity restrictions, the patient needs to improve the local X-ray or CT examination as soon as possible to clarify the severity of the fracture, as soon as possible to carry out surgery to remove the local fluid, blood accumulation, which can be more quickly relieved The knee pins and needles-like pain symptoms. Injuries to the knee joint can include acute sprains or chronic meniscus injuries, which can also cause pins and needles symptoms in the knee.