There are 4 points altogether，one point on each limb.The two points，named Yong Quan，are on the thoracic limbs，the other two，named Di Shui，on the pelvic limb (Fig.107，66#).On the dorsal palmar or metatarsal veins，at the interosseous space of the 3rd and the 4th metacarpal or metatarsal bones.Hemo-acupuncture 1cm，bleeding.Indications：Pain and sprain of the digital joints or metatarsal joints，abdominal pain，heat stroke，common cold ，rheumatism，indigestion.