Rangu (KI2)
Rangu (KI2), “Blazing Valley”, is a point on the Kidney meridian. It is point 2 of the 27 on the channel. Ying-Spring of the Kidney: drains Deficient Heat, cools the blood and calms the Shen.
Location
On the medial aspect of the foot, below the tuberosity of the navicular, at the border between the red and white skin.
Functions according to tradition
Ying-Spring of the Kidney: drains Deficient Heat, cools the blood and calms the Shen.
Traditional indications
- Night sweats
- Sore throat
- Thirst
- Irregular menstruation
- Genital itching
Indications described by tradition; they do not amount to proven clinical effectiveness for each one.
What its classification means
Second of the five transport points: the Qi “glides”. Tradition reserves it mainly for heat in the channel itself.
Precautions
No specific precautions are described beyond the general ones for acupuncture. Needling must always be performed by a trained professional.
Points on other channels with similar indications
They share several traditional indications with this point. Comparing them helps understand why one or the other is chosen.
- LV5 Ligou (Liver): Genital itching, Irregular menstruation
- CV20 Huagai (Ren Mai (Conception Vessel)): Sore throat
- CV21 Xuanji (Ren Mai (Conception Vessel)): Sore throat
- HT8 Shaofu (Heart): Genital itching
- LI1 Shangyang (Large Intestine): Sore throat
- LI17 Tianding (Large Intestine): Sore throat
Point profile
- Code
- KI2
- Pinyin name
- Rán Gǔ
- Characters
- 然谷
- Translation
- Blazing Valley
- Meridian
- Kidney
- Element
- Water
- Classification
- Ying-Spring
- Topics
- Heat, Throat, Foot
Health notice. Educational and study content. It describes concepts of Traditional Chinese Medicine and does not replace diagnosis or treatment by a healthcare professional. Needling, medicinal herbs and invasive techniques must be applied by trained professionals. Safety guide.
