BL27: XIAO CHANG SHU
Location: 1.5 cun lateral to the midline of back, level to the 1st posterior sacral foramen, in the depression between the medial border of the posterior superior iliac spine and the sacrum. Indications: Lumbago, pain in the lumbo-sacral region, disorder of the ilio-sacral joint, enteritis, hematuria, leukorrhea.