Xiongbai (LU4) Acupoint — Complete Guide to Precise Location and Acupressure Method

What is Xiabai?

Xiabai (LU4) is an acupoint on the Lung meridian, with ‘白’ (meaning bright and clear). This acupoint is located on the upper arm and is an important point that regulates lung function and promotes smooth flow of qi in the upper burner. In traditional medicine, it has been widely used to treat respiratory conditions such as cough, asthma, and chest pain, as well as to relieve arm pain.

How to Locate the Acupoint Accurately

Step 1: With your arm relaxed at your side, locate the axillary fold (armpit crease).
Step 2: Use the bottom end of the axillary fold as a reference point.
Step 3: From that point, measure approximately 4 cun (about 12 cm) downward along the arm.
Step 4: The lateral side of the biceps muscle (the outer side of the arm) is where Xiabai is located.
Finding tip: When you raise your arm, the axillary fold becomes more visible, so measuring at this time will help you locate the point more accurately.

How to Apply Acupressure

Step 1 – Preparation: Sit or lie down in a comfortable position and relax your body. Let your arm rest naturally.
Step 2 – Locating the point: Use your thumb or index finger to find Xiabai and apply light pressure.
Step 3 – Applying pressure: Synchronize with your exhalation and apply steady pressure for 4-5 seconds slowly. The appropriate pressure should produce a mild aching sensation.
Step 4 – Repetition: Rest for 3-5 seconds, then repeat the pressure. Continue for 1-2 minutes. Apply the same technique to both arms.
Tip: Using a rounded tool or the knuckle of your finger can provide more effective pressure.

Key Benefits

• Cough relief: Xiabai strengthens lung function to alleviate discomfort from common cold or chronic cough.
• Chest pain improvement: It promotes the flow of qi in the upper burner to relieve chest tightness and pain.
• Arm pain relief: Through the Lung meridian, it treats arm pain, numbness, and heaviness.
• Improved breathing: It promotes stronger lung function to facilitate deep and comfortable breathing.
• Stress relief: It releases tension in the upper burner to alleviate mental stress and chest heaviness.

When Should You Apply Acupressure?

Optimal time: Acupressure is most effective between 3 AM and 5 AM (when the Lung meridian is most active). However, in daily practice, you can apply it at a convenient time based on your condition.
Application by situation: Apply pressure immediately when you have severe cough, chest tightness, or arm numbness to help relieve symptoms. For preventive purposes, practice regularly 3-4 times per week.
When to avoid: Avoid acupressure after drinking alcohol, overeating, or when excessively fatigued.

Precautions

When acupressure is contraindicated: If you are pregnant or have serious heart disease, be sure to consult with a healthcare professional before applying acupressure.
Cautions during acupressure: Avoid excessive force and maintain moderate pressure that does not cause pain. If you experience dizziness or discomfort after acupressure, stop immediately.
Medical consultation: For chronic cough or chest pain, consult with a healthcare professional for diagnosis before applying acupressure. Remember that stimulation of this acupoint does not cure all symptoms and serves only as a complementary treatment.