Qucha BL-4
Chinese: 曲差
Pinyin: Qū Chà
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 (Zanzhu BL-2) and 0.5 cun within the anterior hairline.
Quchai BL-4 is at the same level as BL-3 which is 0.5 cun within the anterior hairline. However, it is 1.5 cun lateral to the anterior midline, which is more lateral.
Shenting DU-24 is also located 0.5 cun within the anterior hairline, but at the anterior midline. Touwei ST-8 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
- Expels Wind-Heat and eases pain
- Benefits the eyes and nose
Needling
Transversely 0.5–1 cun
Commentary for Qucha 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.