Cough, asthma, bronchitis, bronchial asthma, pneumonia, tachycardia, and upper arm pain.

On the medial side of the arm, along the radial edge of the biceps brachii, 4 cun below the anterior axillary fold, or 5 cun above the elbow transverse crease. (This acupoint is bilateral, one on each side.)

With both hands together and straightened forward, clasping the chest, the inner side of the arm where the nipple points to is the location of this acupoint.