Then it arrives in the upper jiao, where the lung takes charge of the Qi. So, the Wei Qi is connected with the Kidney, Spleen and Lung. All dispel wind. Du 23 is uniquely positioned above the nose to push out wind as the Yang Qi comes up over the forehead and into the nasal area. This point is needled against the channel, the needle pointing toward the vertex of the head.
Lung opens to the nose.
But Lung channel cannot actually enter the nose, however the L.I. Channel does. So we use the Luo connecting point of the Lung channel and Yuan source point of the L.I. to treat diseases of the nose. Clear wind, and stop nasal discharge.