Pinyin: Tōng Tiān
1.5 cun lateral to the anterior midline and 4 cun within the anterior hairline.
First identify Baihui DU-20 at the vertex, which is at the junction of the anterior midline and a line connecting the ear apices.
Baihui DU-20 is 5 cun superior to the anterior hairline, while Tongtian BL-7 is 1 cun anterior to DU-20 and 1.5 cun lateral to the midline.
Transversely 0.5–1 cun
Tongtian BL-7 is a major point and it mainly used to expel Interior Wind from the Head. It is especially indicated for severeheadache due to Liver Yang Rising, Liver Wind or Liver Blood Stagnation. Other typical symptoms include deviation of eye and mouth, stiff neck, feeling of head heaviness or even loss of consciousness.
Furthermore, this point also benefits the nose.