It originates from the lateral side of the heel, then flows to Shenmai BL-62 before the external malleolus.
After passing Pushe BL-61 and Fuyang BL-59 around the external malleolus, the pathway ascends to Juliao GB-29 at the hip, along the lateral side of lower leg and thigh.
Passing Renying ST-9 of the throat, it continues ascending to Dicang ST-4 lateral to the corner of the mouth, which is also the meeting point for the Large Intestine and Stomach Channel as well as the Directing Vessel.
Then it ascends the cheek and reaches Jingming BL-1 at the inner canthus, where it meets the Small Intestine, Bladder and Stomach Channels as well as the Yin Stepping Vessel.
Finally it flows over the skull, passing behind the ear and terminate at Fengchi GB-20Fengchi GB-20 at the occiput area.