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Channel: CV, controlling (rèn) vessel

Modern location: An acupoint located on the chest, level with the first intercostal space on the midline.

Classical location: In the depression one cùn and six fēn directly above Purple Palace (CV-19). From The Golden Mirror of Medicine (医宗金鑑 yī zōng jīn jiàn)

Local anatomy: The perforating branches of the internal mammary artery and vein. The anterior cutaneous branch of the first intercostal nerve.

Action: Loosens the chest, disinhibits the diaphragm; clears the lung and supresses cough.

Modern indications: Cough; panting; distension and pain in the chest and rib-side.

Classical indications: Fullness and pain in the chest and rib-side; cough and counterflow qì ascent; blood ejection; throat impediment (hóu bì); swollen pharynx; inability to get food and drink down of fluids.

Needle stimulus: Needling: 0.3 cùn downward oblique insertion. Moxa: 5 cones; pole 5‒20 min.

Point name meaning:

• 华 huá: flower, flowery; glory
• 盖 gài: cover, canopy

Many early Daoist and medical texts describe the lung as the florid canopy or parasol, which can be taken as a symbol of the lung’s position in the body in relation to the other organs. Sù Wèn tells us that the lung is the canopy of the five viscera and the six bowels (肺者五藏六腑之盖也 ). CV-20 is located at the level of the upper extreme of the lung and is employed in treating disorders of that viscus, such as cough and panting. Its name is therefore derived from its close relationship to the lung.

Florid Canopy, 华盖 (huá gài), is also the name of a star. See acupoint names: origins, meanings, and translations.

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