If thigh pain when walking, according to different reasons for different treatment and therapy, thigh pain when walking is common in the following reasons: first, lumbar disc herniation and lumbar spinal stenosis, these two diseases can lead to thigh pain when walking, often due to the high level of intervertebral disc herniation, this time, we need to carry out appropriate rest as well as physiotherapy, oral medication, and surgical treatment if necessary; second, Pyriformis syndrome, patients with pyriformis syndrome can also have the symptom of thigh pain when walking, which is caused by the compression of sciatic nerve, then we should have early rest and hip physical therapy, closed treatment, if necessary, surgical release or resection of tumors around the pyriformis muscle; third, hip joint disease, when the hip joint has impingement syndrome or necrosis of the femoral head, it also can have the symptom of thigh pain when walking. Third, hip joint disease, when the hip joint has impingement syndrome or femoral head necrosis, it can also appear the symptom of thigh pain when walking, then we should carry out the relevant magnetic examination of the hip joint for diagnosis, and carry out the symptomatic treatment at an early stage, and if the condition is serious, it is also necessary to carry out the surgical treatment of hip arthroscopy.