PC-1 - Celestial Pool
天池 - Tiān chí
Point Region: Chest
PC-1 Tianchi, meaning 'Heavenly Pool,' is the entry point of the Pericardium channel. Located on the chest, this point is a 'pool of heaven' that helps to regulate the body's internal energy and restore a sense of balance. Its name, 'Heavenly Pool,' alludes to its ability to bring a sense of order and harmony to the body's entire system.
Think of Tianchi as a point that helps to 'fill the pool' 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, PC-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: Located on the chest, slightly lateral to the nipple, in the fourth intercostal space.
How to Locate:
- Find your nipple and the fourth space between ribs at this level
- Move slightly outward from your nipple toward your armpit
- The point is in this rib space lateral to your nipple
- This is near your chest muscle

Primary Functions
Circulatory System
- Regulates heart qi and circulation
- Protects the heart from emotional stress
- Improves blood flow to chest area
- Reduces chest tightness and palpitations
Emotional & Mental
- Calms the spirit and reduces anxiety
- Promotes emotional balance and joy
- Helps process grief and sadness
- Supports healthy relationships
Respiratory System
- Relieves chest congestion
- Improves breathing capacity
- Reduces asthma symptoms
- Clears heat from the chest
Musculoskeletal System
- Relieves shoulder and arm tension
- Reduces chest and rib pain
- Improves mobility in shoulder area
Immune & Energy System
- Strengthens protective qi around heart
- Boosts overall vitality
- Supports immune function in chest area
Clinical Applications
Primary Indications
- Chest pain
- Cough
- Mastitis
- Insufficient lactation
- Chest congestion
- Axillary swelling
- Breast inflammation
- Respiratory problems
Related Health Concerns
Common Conditions:
Related Acupoints
Select a point to learn about its location, primary functions, clinical applications, and protocols.
PC-1 Protocols
N/A
Important Precautions
- Acute breast infections
- Breast cancer
- Recent breast surgery
- Severe mastitis