Fenglong (ST40)
Fenglong (ST40), “Abundant Prosperity”, is a point on the Stomach meridian. It is point 40 of the 45 on the channel. The master point to eliminate Phlegm.

Location
8 cun superior to the lateral malleolus, two finger-widths lateral to the anterior crest of the tibia.
Functions according to tradition
The master point to eliminate Phlegm. Transforms Phlegm-Dampness, harmonizes Stomach, calms the mind, treats mental disorders due to Phlegm.
Traditional indications
- Cough with phlegm
- Nausea
- Dizziness
- Obesity
- Mental confusion
- Epilepsy
- Abdominal bloating
Indications described by tradition; they do not amount to proven clinical effectiveness for each one.
What its classification means
From here the collateral that links the channel to its interior-exterior partner departs, which is why it is credited with acting on both channels at once.
Precautions
No specific contraindications. Perpendicular needling, avoiding the tibial vessels.
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.
- GB13 Benshen (Gallbladder): Dizziness, Epilepsy
- GB19 Naokong (Gallbladder): Dizziness, Epilepsy
- GV19 Houding (Du Mai (Governing Vessel)): Dizziness, Epilepsy
- BL3 Meichong (Bladder): Dizziness, Epilepsy
- BL5 Wuchu (Bladder): Dizziness, Epilepsy
- GV17 Naohu (Du Mai (Governing Vessel)): Dizziness, Epilepsy
Point profile
- Code
- ST40
- Pinyin name
- Fēng Lóng
- Characters
- 丰隆
- Translation
- Abundant Prosperity
- Meridian
- Stomach
- Element
- Earth
- Classification
- Luo-Connecting
- Topics
- Phlegm, Digestion, Mental
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.