There are more reasons for inner thigh root pain, which may be related to ligament strain, bursitis, femoral head necrosis and so on. 1. Ligament strain: common in sports people, when the beginning of the warm-up is not in place or the action is too large, stretching to the groin ligament, will cause the inner thigh pain root pain, accompanied by pressure pain and localized swelling. 2. Bursitis: there is synovial tissue on the inner side of the joint capsule of the hip joint, which can lead to an increase in synovial secretion of fluid when stimulated by exertion, trauma, etc., thus causing pain in the inner thigh root, accompanied by swelling and activity limitation. 3. Necrosis of femoral head: Most of the cases are caused by long-term history of alcohol consumption, long-term use of hormones or trauma at the thigh root, which can lead to blood circulation disorder in the femoral head, resulting in ischemic necrosis of the femoral head, and the symptoms of pain in the inner side of the thigh root. Other causes of thigh root pain can also be seen, it is recommended that the patient consult a doctor in a timely manner, follow the doctor’s instructions to carry out relevant examinations, with the help of the doctor to clarify the cause, and to carry out targeted treatment or therapy.