The causes of pain in the thigh root when walking are as follows: 1. It may be due to suffering from necrosis of the femoral head, which leads to the appearance of pulling pain in the thigh root when walking. If it is femoral head necrosis, first of all, it will feel positive pressure pain in the groin area, positive 4-word test, the patient’s pain is obviously aggravated when walking under load, and the hip flexion is limited, so you can take the X-ray film of the hip, make a clear diagnosis, and then consider the specific treatment means. 2, the thigh root pain when walking, it may be due to the pain caused by the soft tissue injury of the thigh root, and the patient is instructed to take bed rest, and avoid strenuous activities, give topical blood stasis medication, anti-inflammatory and analgesic medication. Local application of drugs to activate blood circulation and eliminate blood stasis, anti-inflammatory and analgesic drugs, while with the means of traditional Chinese medicine physiotherapy for symptomatic relief.