In the muscle groove between musculi longissimus dorsal and iliocostalis，lateral to the tip of the transverse process of the 4th lumbar vertebra.Bilateral (Fig.107，42#).Perpendicular insertion.Filiform needle 1-3cm，or moxibustion with mugwort.Indications：Indigestion，constipation，diarrhea，stomach-cold，enteritis.