Dadu (SP2)
Dadu (SP2), “Great Metropolis”, is a point on the Spleen meridian. It is point 2 of the 21 on the channel. Ying-Spring of the Spleen: strengthens the Spleen, transforms Dampness and drains Heat.
Location
On the great toe, in the depression distal to the first metatarsophalangeal joint, at the border between the red and white skin.
Functions according to tradition
Ying-Spring of the Spleen: strengthens the Spleen, transforms Dampness and drains Heat.
Traditional indications
- Abdominal distension
- Fever without sweating
- Diarrhoea
- Heavy limbs
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.
- BL22 Sanjiaoshu (Bladder): Abdominal distension, Diarrhoea
- BL49 Yishe (Bladder): Abdominal distension, Diarrhoea
- CV9 Shuifen (Ren Mai (Conception Vessel)): Abdominal distension, Diarrhoea
- KI14 Siman (Kidney): Abdominal distension, Diarrhoea
- ST22 Guanmen (Stomach): Abdominal distension, Diarrhoea
- BL26 Guanyuanshu (Bladder): Abdominal distension, Diarrhoea
Point profile
- Code
- SP2
- Pinyin name
- Dà Dū
- Characters
- 大都
- Translation
- Great Metropolis
- Meridian
- Spleen
- Element
- Earth
- Classification
- Ying-Spring
- Topics
- Digestion, Fever, 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.