On the dorsal midline in the depression between the processus spinosus of the L4 and L5 vertebrae.Single point (Fig.107，20#).Method：Same as the XUAN SHU point.Indications：Rheumatism and sprain of the lumbar region，hypogonadism，endometritis，ovaritis，cystic ovary，atrophy of the ovary and uterus.