KI22 (Bùláng, “Step Corridor”) is an acupuncture point on the Kidney Channel Meridian. It is located on the chest, in the fifth intercostal space, 2 cun lateral to the anterior midline (Ren Mai). This is 1.6 cun inferior to KI23 (Shenfeng). It descends rebellious Qi, unbinds the chest, and alleviates cough and wheezing.
On the chest, in the fifth intercostal space, 2 cun lateral to the anterior midline (Ren Mai). This is 1.6 cun inferior to KI23 (Shenfeng).
Oblique or transverse insertion, 0.3-0.5 cun. Deep or perpendicular insertion carries a high risk of causing a pneumothorax.
Descends rebellious Qi, unbinds the chest, and alleviates cough and wheezing.
Chest and hypochondriac fullness, diaphragm obstruction, difficulty breathing, shortness of breath, cough with rebellion of Qi, inability to raise the arms, wheezing, vomiting, poor appetite, nasal obstruction.
Bulang is a significant local point on the upper chest for respiratory disorders characterized by a sense of fullness, obstruction, and rebellious Qi. Its indications for chest fullness, cough, and wheezing make it useful in treating conditions like asthma and bronchitis. The classical combination with Andu (KI21) highlights its function in regulating Qi flow across the diaphragm to relieve breathlessness.
Classical text; the translation was prepared with AI and is not clinical advice.
《醫學入門》 Yīxué Rùmén — Introduction to Medicine, Li Chan, 1575 · 经穴起止 · Source: Wikisource ↗
步廊神封下一寸六分，去中庭外二寸。 针四分，灸五壮。 主鼻塞，胸胁支满，喘息不得举臂The text records that KI22, 1.6 cun below Shenfeng and 2 cun lateral to Zhongting, was needled 0.4 cun with 5 moxa cones for nasal blockage, propping fullness of chest and flanks, and panting with inability to raise the arms.
《針方六集》 Zhēnfāng Liùjí — Six Collections on Needling, Wu Kun, 1618 · 卷之一·神照集 · 足少陰腎經圖穴十五 · 足少陰腎經所發二十七穴 · Source: jicheng.tw ↗
步廊二穴，在神封下一寸六分陷者中，夾任脈兩旁各二寸，仰而取之。 《針經》刺入四分，灸五壯According to this text, KI22 lies in the depression 1.6 cun below Shenfeng, 2 cun on each side of the Ren vessel, located with the patient lying face up; the Zhenjing gives needling 0.4 cun and 5 moxa cones.
《醫學綱目·刺灸》 Yīxué Gāngmù · Cìjiǔ — Outline of Medicine: Needling and Moxibustion, Lou Ying, 1565 · 卷之八·陰陽臟腑部 · 穴法下 · Source: jicheng.tw ↗
步廊二穴，在神封下一寸六分陷中，仰而取之，足少陰脈氣所發。 針入三分，灸五壯According to this text, KI22 lies in the depression 1.6 cun below Shenfeng, is located lying face up, and is where foot shaoyin qi emerges; needle 0.3 cun, 5 moxa cones.
《類經圖翼》 Lèijīng Túyì — Illustrated Wings to the Classified Canon, Zhang Jiebin, 1624 · 卷七 · 經絡（五） · 足少陰腎經穴 · Source: jicheng.tw ↗
主治胸脅滿痛，鼻塞少氣，咳逆不得息，嘔吐不食，臂不得舉The text records that KI22 was used for fullness and pain of chest and flanks, nasal blockage with shortness of breath, cough with counterflow and inability to breathe, vomiting with inability to eat, and inability to raise the arms.
KI22 is one of 27 points on the Kidney Channel Meridian. Nearby points:
KI22 (Bùláng) is located on the chest, in the fifth intercostal space, 2 cun lateral to the anterior midline (Ren Mai). This is 1.6 cun inferior to KI23 (Shenfeng).
KI22 descends rebellious Qi, unbinds the chest, and alleviates cough and wheezing. Common clinical indications include chest and hypochondriac fullness, diaphragm obstruction, difficulty breathing, shortness of breath, cough with rebellion of Qi, inability to raise the arms, wheezing, vomiting, poor appetite, nasal obstruction.
Oblique or transverse insertion, 0.3-0.5 cun. Deep or perpendicular insertion carries a high risk of causing a pneumothorax. Caution: Overlies the thoracic cavity — risk of PNEUMOTHORAX. Needle obliquely or transversely, never deeply or perpendicularly toward the chest wall. Deep needling is contraindicated due to the risk of puncturing the lung or heart.
KI22 is a point on the Kidney Channel Meridian (Zú Shàoyīn Shènjīng).