Bladder Channel

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

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

Indications

Anxiety Eye pain Rhinitis Dyspnoea No sweat Headaches Sore nose Bloody nose Blocked nose Blurred vision Vertex swelling

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.