BL - Bladder Meridian
足太阳膀胱经 - Zú Tàiyáng Pángguāng Jīng
The Bladder Meridian is truly the highway of the body, being the longest meridian with 67 points extending from the inner corner of the eye all the way to the little toe. As the "Minister of the Reservoir," it works closely with the Kidney to manage fluid metabolism and storage. It also governs the autonomic nervous system and our fundamental survival responses.
This meridian houses our deepest reserves of willpower, determination, and the capacity to persevere through challenges. The Bladder meridian contains the Back-Shu points - a series of points along the spine that directly access and influence every organ system in the body. This makes it one of the most therapeutically significant meridians, serving as a master control panel for overall health and vitality.
Meridian Pathway & Flow
Direction
Flows from head to foot, from Yang to Yin
Pathway
- Origin: Begins at BL-1 (Jingming) at the inner corner of the eye
- Head Path: Ascends over the forehead and crown to the back of the head
- Neck Descent: Splits into two parallel lines down the back of the neck
- Back Path - Inner Line: Medial line runs along the spine containing the Back-Shu points
- Back Path - Outer Line: Lateral line runs parallel, about 3 inches from spine
- Convergence: Both lines meet at BL-40 (Weizhong) behind the knee
- Leg Path: Continues down the posterior leg and lateral foot
- End Point: Terminates at BL-67 (Zhiyin) at the lateral corner of the little toenail
- Connection: Links to the Kidney meridian at KI-1 (Yongquan) on the sole of the foot
Active Time
3:00 PM - 5:00 PM (Peak energy circulation)

Primary Functions
Physical Functions
- Governs urination and bladder function
- Controls fluid metabolism and distribution
- Manages autonomic nervous system
- Supports spinal health and posture
- Controls back muscles and fascia
- Supports brain and nervous system function
- Regulates body temperature
Emotional & Mental Functions
- Houses willpower and determination
- Governs our capacity to endure and persevere
- Controls fight-or-flight responses
- Manages stress adaptation
- Supports mental resilience
- Controls our sense of safety and security
- Governs the ability to "hold on" or "let go"
Essential Acupoints
Select a point to learn about its location, primary functions, clinical applications, and protocols.
Therapeutic Applications
Urinary & Reproductive Issues
- Urinary retention or incontinence
- Bladder infections and cystitis
- Kidney stones and urinary pain
- Frequent urination or urgency
- Prostate problems
- Reproductive system disorders
Back & Spinal Conditions
- Lower back pain and sciatica
- Upper back tension and stiffness
- Spinal alignment issues
- Herniated discs and nerve compression
- Chronic back muscle tension
- Postural problems
Neurological & Stress-Related Issues
- Chronic stress and burnout
- Anxiety and panic disorders
- Insomnia and sleep disturbances
- Headaches and migraines
- Depression and mental exhaustion
- Nervous system disorders
Systemic & Constitutional Issues
- Chronic fatigue syndrome
- Autoimmune conditions
- Digestive disorders (via Back-Shu points)
- Respiratory problems (via Back-Shu points)
- Cardiovascular issues (via Back-Shu points)
- Overall vitality and energy deficiency
BL Protocols
Back-Shu Points Routine (15-20 minutes)
- Begin at 3-5 PM (peak bladder time) or when needing deep restoration
- Start with BL-13 (Feishu - Lung Shu) for respiratory support
- Apply pressure to BL-15 (Xinshu - Heart Shu) for cardiovascular and emotional balance
- Apply pressure to BL-18 (Ganshu - Liver Shu) for detoxification
- Focus on BL-20 (Pishu - Spleen Shu) for digestive strength
- End with BL-23 (Shenshu - Kidney Shu) for foundational energy
Lower Back Relief Sequence (10-15 minutes)
- For lower back pain, sciatica, or kidney issues
- Focus on BL-23 (Shenshu) with sustained, warming pressure
- Apply pressure to BL-25 (Dachangshu) for large intestine support
- Apply pressure to BL-40 (Weizhong) behind knee for back pain relief
- End with BL-60 (Kunlun) at ankle for overall back support
Stress and Nervous System Reset (10-12 minutes)
- For chronic stress, anxiety, or nervous exhaustion
- Begin with BL-1 (Jingming) for mental clarity
- Apply pressure to BL-2 (Zanzhu) for frontal headaches and stress
- Apply pressure to BL-15 (Xinshu) for emotional regulation
- Focus on BL-62 (Shenmai) for overall nervous system calm
Urinary and Fluid Balance (5-8 minutes)
- For bladder issues or fluid retention
- Start with BL-23 (Shenshu) for kidney-bladder support
- Apply pressure to BL-28 (Pangguangshu - Bladder Shu) for direct bladder influence
- Apply pressure to BL-40 (Weizhong) for fluid circulation
- End with BL-67 (Zhiyin) for bladder meridian completion
All BL Points
Select a point to learn about its location, primary functions, clinical applications, and protocols.
Considerations
Autumn Focus
- Bladder meridian is most active in late autumn, emphasize practice during dry, cool weather
- Support with kidney-nourishing practices as winter approaches
Hydration
- Maintain proper hydration but avoid excessive fluids before bed
- Quality of water is important - filtered, room temperature preferred
Posture
- Maintain good spinal alignment to support meridian flow
- Regular movement breaks to prevent back stagnation
- Ergonomic workplace setup
Stress Management
- Regular relaxation practices to support autonomic nervous system
- Adequate sleep and rest periods
- Limit overstimulation and excessive multitasking
Back Care
- Keep back warm, especially kidney area
- Gentle stretching and mobility work
- Professional massage or bodywork for chronic issues
Precautions
Pressure
- Use moderate to firm pressure on back points
- Very gentle pressure around eyes (BL-1, BL-2)
- Back-Shu points can handle sustained pressure but start gently
Back Safety
- Never apply excessive pressure directly on spine
- Work on muscles beside spine, not on vertebrae
- Stop if experiencing shooting pain or numbness
Eye Area
- Extremely gentle pressure around eyes; clean hands before touching
- Stop if vision changes or eye irritation occurs
Urinary Issues
- For acute urinary retention, seek immediate medical care
- Blood in urine requires immediate medical evaluation
- Chronic bladder issues need proper medical diagnosis
Spinal Conditions
- Avoid deep pressure if history of spinal injury
- Work with healthcare providers for serious back conditions
- Herniated discs require professional guidance
Pregnancy
- Many bladder points are contraindicated in pregnancy
- BL-60 and BL-67 should be avoided during pregnancy
- Consult qualified practitioner for safe alternatives
Chronic Conditions
- Autoimmune conditions may require gentler approach
- Chronic fatigue patients should start with shorter sessions
- Mental health conditions may intensify with bladder work
Partner Assistance
- Back-Shu points are best accessed with partner help
- Self-treatment limited to accessible points
- Professional treatment recommended for optimal results