Thigh pain may be caused by physiological reasons such as overwork, trauma, infection, local fasciitis and hip arthritis and other pathological reasons. 1. Physiological causes: commonly caused by overexertion or incorrect posture of the thigh muscle lactic acid accumulation, or muscle spasm and other causes of thigh root pain symptoms. 2. Trauma: due to trauma and other reasons acting on the thigh root caused by the patient’s leg bone, muscle and other tissue damage, the patient may appear thigh root pain. 3. Infection: due to bacterial, fungal and other pathogens infecting the thigh root, patients may experience localized pain, swelling, redness and other symptoms. 4. Local fasciitis: due to long-term labor and other reasons lead to the thigh root local muscle, fascia and other tissues of aseptic inflammation, patients may appear thigh root pain. 5. Hip joint disease: due to hip joint degeneration, femoral head necrosis and other diseases can also cause thigh root pain. Thigh root pain may also have other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, and then give targeted treatment or treatment.