Their locations were decided based on World Health Organization (WHO) standards. Yangxi is located on the radial side of the transverse dorsal crease of the wrist, between the tendons of the extensor pollicis longus and extensor pollicis brevis muscle (anatomical snuffbox). Lie-que can be found in the small hollow superior to the styloid process of the radial bone, 1.5 cun (1 cun is equal to the breadth of the patient’s thumb) above the distal transverse crease of the wrist.Taiyuan is located at the lateral end of the palmar transverse crease of the wrist, on the radial side (lateral border) of the radial artery and medial to abductor pollicis longus tendon [18,19]. A maximum of four Ahshi points (tender point) was also allowed.