There are many reasons for knee pain like pins and needles, which may be related to localized fracture, meniscus injury, ligament injury and other factors. 1. Localized fracture: such as patella fracture, when there is a fracture of the knee will be accompanied by obvious swelling, pain, limited mobility and other symptoms. 2. Meniscus injury: due to trauma and other factors, resulting in acute meniscus injury, can also appear in the knee of the symptoms of needle-like pain. 3. Ligament injury: when the knee joint is in the bending state, the tibia bone is suddenly inwardly retracted and internally rotated, causing injury to the internal and external collateral ligaments of the knee, which can also be manifested as symptoms of pinprick pain in the knee. Pins and needles pain in the knee can also be seen in other causes, it is recommended to consult a doctor in time, follow the doctor’s instructions for relevant examinations, with the help of the doctor to clarify the cause, and targeted treatment or treatment.