Hand: it is distributed radial side and palmar surface of thumb, palmar surface of index finger, skin of first metacarpal bone and second metacarpal bone.
Upper limb: it goes along cutaneous region of large intestine meridian external and goes along lateral side of flexor carpi radialis, internal surface of radial bone, lateral aspect of biceps brachii and anterior aspect of triangular muscle internal then passes skin from cutaneous region of gallbladder meridian to infraclavicula.