If the patient has the symptom of paroxysmal pins and needles pain in the thigh area: firstly, it is seen in the muscle injury of the thigh area, such as direct external force striking the thigh area, or muscle pulling injury, which will trigger the paroxysmal pins and needles pain in the thigh area. Secondly, it is caused by calcium deficiency, which mostly occurs in adolescents and the elderly during the growth and development period. After calcium deficiency, it is easy to lead to muscle cramps, especially in the cold, after the activity, there will be paroxysmal pins and needles pain in the thigh area. Third, the thigh area of the muscle, nerve compression, which causes muscle spasm contraction, can also trigger thigh paroxysmal pinprick pain, such as pear-shaped muscle syndrome compression of the sciatic nerve, or lumbar intervertebral disc herniation compression of the nerve root, will cause thigh paroxysmal stabbing pain.