Quchai BL-4 Acupuncture Point

Quchai BL-4

Chinese: 曲差

Pinyin: Qū Chài

Location

0.5 cun superior to the anterior hairline and 1.5 cun lateral to the anterior midline, at the junction of the medial third and lateral two-thirds of the distance from anterior Midline to Touwei ST-8

How to locate

First locate Meichong BL-3 which is vertically above the medial extremity of the eyebrow and 0.5 cun within the anterior hairline. 

Quchai BLL-4 is at the same level as BL-3 which is 0.5 cun within the anterior hairline. However, it is more laterally. It is 1.5 cun lateral to the anterior midline. 

Shenting DU-24 is located 0.5 cun within the anterior hairline and at the anterior midline. Touwei ST-28 is at the same level but on the corner of the forehead. The distance between these two points is 4.5 cun. Quchai BL-4 is at the junction of the medial third and lateral two-thirds of the distance of these two reference points. 

 

Main actions

  1. Expels Wind-Heat and eases pain
  2. Benefits the eyes and nose

Needling

Transversely 0.5–1 cun

Commentary for Quchai BL-4

Quchai BL-4 is not a major point of the Bladder Channel

Like its neighboring point of Meichong BL-3, it is mainly used to expel Wind-Heat so as to ease pain, mainly on the eyes and nose.