REN20 (Huagai, “Magnificent Canopy”) is an acupuncture point on the Conception Vessel Meridian. It is located on the anterior midline of the chest, in a depression 1 cun inferior to REN21 (Xuanji), at the level of the first intercostal space. It descends rebellious Lung qi, unbinds the chest, and alleviates cough and wheezing.
On the anterior midline of the chest, in a depression 1 cun inferior to REN21 (Xuanji), at the level of the first intercostal space.
Transverse-oblique insertion, directed inferiorly along the channel, 0.3-0.5 cun. Deep perpendicular or superior insertion carries a risk of pneumothorax.
Descends rebellious Lung qi, unbinds the chest, and alleviates cough and wheezing.
Fullness of the chest and hypochondrium, pain radiating into the chest, rebellious qi cough, wheezing, sudden asthma, inability to speak due to breathlessness, asthma with coughing, throat impediment and swelling, difficulty swallowing food and drink, pain in the skin of the chest, chest and rib fullness.
Huagai is a key local point for treating acute and chronic respiratory disorders involving the chest. Its primary strength lies in descending rebellious Lung qi to relieve wheezing, asthma, and coughing. It is particularly effective for sensations of fullness, oppression, and pain in the upper chest, directly addressing the region it occupies. Its name, 'Magnificent Canopy', underscores its relationship with the Lungs, making it a direct target for disorders of Lung qi failing to descend.
Classical text; the translation was prepared with AI and is not clinical advice.
《針灸資生經》 Zhēnjiǔ Zīshēng Jīng — Classic of Nourishing Life with Acupuncture & Moxibustion, 1220 · Source: Wikisource ↗
華蓋 在璇璣下一寸陷中．仰頭取之．針三分．灸五壯．明下雲、三壯．一本雲、五壯According to this text, REN20 lies in a depression 1 cun below Xuanji, found with the head tilted back; it is needled 3 fen with 5 moxa cones, while other sources give 3 or 5 cones.
《類經圖翼》 Lèijīng Túyì — Illustrated Wings to the Classified Canon, Zhang Jiebin, 1624 · 卷八 · 經絡（六） · 任脈穴 · Source: jicheng.tw ↗
華蓋 在璇璣下一寸陷中，仰而取之。 刺三分，灸五壯。 主治咳逆喘急，上氣哮嗽，喉痹，胸脅滿痛，水飲不下According to this text, REN20 lies in a depression 1 cun below Xuanji, found with the head tilted back, needled 3 fen with 5 moxa cones, and was used for cough with urgent panting, rising qi with wheezing, throat-bi, fullness and pain of chest and flanks, and inability to swallow fluids.
《針灸逢源》 Zhēnjiǔ Féngyuán — Sources of Acupuncture & Moxibustion, Li Xuechuan, 1815 · 卷四 · 經穴考正 · 任脈穴考 · Source: jicheng.tw ↗
華蓋 在璇璣下一寸六分。 陷中仰而取之（針三分灸五壯）治咳逆哮嗽喘急上氣According to this text, REN20 lies in a depression 1.6 cun below Xuanji, found with the head tilted back, needled 3 fen with 5 moxa cones, and was used for cough with counterflow, wheezing, urgent panting and rising qi.
REN20 is one of 24 points on the Conception Vessel Meridian. Nearby points:
REN20 (Huagai) is located on the anterior midline of the chest, in a depression 1 cun inferior to REN21 (Xuanji), at the level of the first intercostal space.
REN20 descends rebellious Lung qi, unbinds the chest, and alleviates cough and wheezing. Common clinical indications include fullness of the chest and hypochondrium, pain radiating into the chest, rebellious qi cough, wheezing, sudden asthma, inability to speak due to breathlessness, asthma with coughing, throat impediment and swelling, difficulty swallowing food and drink, pain in the skin of the chest, chest and rib fullness.
Transverse-oblique insertion, directed inferiorly along the channel, 0.3-0.5 cun. Deep perpendicular or superior insertion carries a risk of pneumothorax. Caution: Overlies the thoracic cavity — risk of PNEUMOTHORAX. Needle obliquely or transversely, never deeply or perpendicularly toward the chest wall.
REN20 is a point on the Conception Vessel Meridian (Rèn Mài).