SI-1 - Lesser Marsh
少泽 - Shào zé
Point Region: Hand
SI-1 Shaoze, meaning 'Lesser Marsh,' is the Jing-Well and Metal point of the Small Intestine channel. Located at the corner of the nail on the pinky finger, this point is a 'lesser marsh' that helps to regulate the body's internal energy and restore a sense of balance. Its name, 'Lesser Marsh,' alludes to its ability to bring a sense of order and harmony to the body's entire system.
Think of Shaoze as a point that helps to 'drain the marsh' of your body. It's invaluable for addressing issues like a restless spirit, a feeling of 'heat' in the body, and a lack of vitality. By regulating the body's internal energy, it helps to restore a sense of ease and freedom.
By regulating the body's internal energy, SI-1 helps to restore a sense of balance and inner peace. It's a point that reminds us that our true power comes from a calm and unburdened body.
Location & How to Find
Anatomical Location: At the junction of lines drawn along the ulnar border and base of the nail of the little finger.
How to Locate:
- Look at your little finger
- Find the outer corner of the little finger nail (away from other fingers)
- Locate where the nail meets the skin at this corner
- The point is right at this junction

Primary Functions
Digestive System
- Promotes clear thinking and discrimination
- Enhances absorption of nutrients
- Regulates small intestine function
- Aids in separating pure from impure substances
Emotional & Mental
- Improves mental clarity and decision-making
- Reduces mental confusion
- Enhances ability to discern truth
- Calms excessive thinking
Circulatory System
- Promotes circulation in the fingers
- Reduces fingertip numbness
- Improves peripheral blood flow
Lactation & Reproductive
- Promotes lactation in nursing mothers
- Regulates breast milk production
- Supports postpartum recovery
Clinical Applications
Primary Indications
- Mastitis
- Insufficient lactation
- Headache
- Sore throat
- Loss of consciousness
- Breast inflammation
- Fever
- Throat pain
- Fainting
Related Health Concerns
Common Conditions:
Related Acupoints
Select a point to learn about its location, primary functions, clinical applications, and protocols.
SI-1 Protocols
N/A
Important Precautions
- Broken skin around nail
- Severe nail infections
- Recent nail injury