KI2 (Rangu, “Rangu means 'Blazing Valley'”) is the Ying-Spring Point point of the Kidney Channel Meridian. It is located on the medial aspect of the foot, in the depression on the lower border of the navicular tuberosity, anterior and inferior to the medial malleolus. It clears deficiency heat, benefits the throat, regulates the lower jiao, and tonifies Kidney Yin.
On the medial aspect of the foot, in the depression on the lower border of the navicular tuberosity, anterior and inferior to the medial malleolus.
Perpendicular insertion 0.5 to 1.0 cun.
Clears deficiency heat, benefits the throat, regulates the lower jiao, and tonifies Kidney Yin..
Thirst, diabetes , jaundice, one foot cold and one foot hot, tongue paralysis, sweating, night sweats, seminal emission, infertility in women, uterine prolapse, irregular menstruation, vaginal itching, sudden heart pain, chest and hypochondriac fullness, coughing up blood, throat painful obstruction, difficulty swallowing, fear and fright as if about to be seized, shortness of breath with drooling, foot swelling making it difficult to walk, cold shan disorder, lower abdominal distention, emaciation, flaccidity and inversion, profuse diarrhea, infantile umbilical wind with lockjaw, bad blood retained in the abdomen, mouth heat, dry tongue, sore throat, upward surging qi, vexation and heart pain, back and inner thigh pain, lethargy, foot sole heat and pain, sudden heart pain with abdominal distention, urinary dripping with white turbidity, acid reflux, inability to stand for long..
As the Ying-Spring and Fire point of the Kidney channel, Rangu is a primary point for clearing deficiency heat manifesting as sore throat, night sweats, and thirst. Its location on the foot and connection to the Kidney channel also make it effective for urogenital issues like irregular menstruation, seminal emission, and uterine prolapse. Classical sources note that needling it can induce hunger, suggesting an effect on the Stomach and appetite.
KI2 is one of 27 points on the Kidney Channel Meridian. Nearby points:
KI2 (Rangu) is located on the medial aspect of the foot, in the depression on the lower border of the navicular tuberosity, anterior and inferior to the medial malleolus.
KI2 clears deficiency heat, benefits the throat, regulates the lower jiao, and tonifies Kidney Yin. Common clinical indications include thirst, diabetes , jaundice, one foot cold and one foot hot, tongue paralysis, sweating, night sweats, seminal emission, infertility in women, uterine prolapse, irregular menstruation, vaginal itching, sudden heart pain, chest and hypochondriac fullness, coughing up blood, throat painful obstruction, difficulty swallowing, fear and fright as if about to be seized, shortness of breath with drooling, foot swelling making it difficult to walk, cold shan disorder, lower abdominal distention, emaciation, flaccidity and inversion, profuse diarrhea, infantile umbilical wind with lockjaw, bad blood retained in the abdomen, mouth heat, dry tongue, sore throat, upward surging qi, vexation and heart pain, back and inner thigh pain, lethargy, foot sole heat and pain, sudden heart pain with abdominal distention, urinary dripping with white turbidity, acid reflux, inability to stand for long.
Perpendicular insertion 0.5 to 1.0 cun. Caution: The Jia Yi Jing and Qian Jin Yao Fang both state: 'When needling Rangu, do not cause excessive bleeding.' (刺無多見血).
KI2 is a point on the Kidney Channel Meridian (Zú Shàoyīn Shènjīng).