Quchai Point (BL-4 / Curved Difference, also known as Quzhong)
Discover the exact location and acupressure method for Quchai (BL-4 / Curved Difference). Learn its benefits for headache, nasal congestion, nosebleeds, and blurred vision – a key point for nasal disorders – plus classic combinations for comprehensive treatment.
Indications
Headache, nasal congestion, nasal obstruction with discharge, nosebleeds (epistaxis), blurred vision, and dizziness.
Precise Location
On the head, 0.5 cun above the anterior hairline on the midline, and 1.5 cun lateral to the midline – at the junction of the inner 1/3 and middle 1/3 of the line connecting Shenting (GV-24) and Touwei (ST-8).
Location Method
With one palm facing the face, bring the three middle fingers together and bend the other two fingers – place the ring finger pad at the center of the anterior hairline – the point is where the index fingertip rests.
Massage Method
Press with the index finger pads – apply to both sides for 1–3 minutes each. Therapeutic actions: Ascends the clear and descends the turbid, dispels wind and opens the orifices, clears the head and brightens the eyes.
Compatibility
Nasal obstruction/discharge and nosebleeds: Combine with Quchai (BL-4) and Hegu (LI-4). Disease overview: Usually caused by "lung dryness with blood heat," leading to nasal dryness and capillary fragility and rupture. If untreated, serious consequences may occur – nasal mucosal atrophy, anemia, memory loss, poor vision, reduced immunity, and even ischemic shock. Massage sequence: Press Quchai with the index finger pad for 3 minutes, then press Hegu for 3 minutes. Headache: Combine with Taiyang (EX-HN5), Meichong (BL-3), Quchai (BL-4), and Hegu (LI-4). Blurred vision: Combine with Fengchi (GB-20) and Quchai (BL-4).
Efficacy & Actions
Like Meichong (BL-3), Quchai is also effective for nasal congestion, headache, and blurred vision. This point has special therapeutic effects for nasal disorders such as nasal congestion, rhinorrhea, and rhinitis. When experiencing nasal discomfort, nasal congestion after a cold, or persistent rhinorrhea, pressing and kneading Quchai can relieve symptoms and bring comfort. This point belongs to the Foot Taiyang Bladder Meridian. It ascends the clear and descends the turbid, dispels wind and opens the orifices, clears the head and brightens the eyes. It is a commonly used point for treating head, facial, and nasal disorders. First documented in Zhenjiu Jiayijing. "Qu" means curved; "Chai" means uneven or staggered. Located on the head where the meridian curves and staggers – hence the name Quchai (Curved Difference). It is also known as "Quzhong."
