Female thigh root lateral pain, may be the rotator cuff bursitis, gluteal myofasciitis, etc., as follows: First, rotator cuff bursitis: the first thing to consider is the rotator cuff bursitis, because in the thigh external is the rotator cuff projection area, in the rotator cuff bursa exists on the outside of the rotator cuff bursa, if you often cross your legs or sleep on the side lying down position, will cause the rotator cuff bursa of the tension increase, the rotator cuff will be Be compressed, over time there will be bursitis, manifested as pain in the lateral thigh root. Second, gluteal myofasciitis: it can be considered as gluteal myofasciitis, which is mainly caused by sedentary behavior. Due to the wide distribution of gluteal myofascia, it can be distributed in the surface projection area of the buttocks, and can also be extended forward to the root of the lateral thigh, that is, the surface projection area of the vastus tensor fasciae latae muscle, so the inflammation will cause pain in the lateral thigh.