It is possible to determine to which channels the illness pertains according to the place where the head aches. Below is seven out of the twelve channels of which most likely responsible for headache/migraine.

The seven are chosen based on their more frequent existence on the head. Blockages of Qi or blood along these channels are more likely to cause headache/migraine than the other five. The channels of Spleen, Kidney and Liver, however, are the major INTERNAL causes that give rise to headache.