On the dorsal surface of the carpal joint，in the depression between the distal end of the radius and the carpus.Bilateral (Figs.106，107;63#).Perpendicular insertion.Filiform needle 0.5-1cm，or moxibustion with mugwort.Indications：Sprain and pain of the digital region，paralysis of the thoracic limb，common cold，arthritis of the carpal joint.