Chest pain, heart pain, palpitations, irritability due to fever, stomachache, vomiting, heatstroke, diarrhea, elbow spasms, arm pain, and urticaria, etc.

In the middle of the elbow transverse crease, on the ulnar side edge of the biceps brachii tendon. (This acupoint is bilateral, one on each side.)

Step 1: Extend the elbow and face the palm upwards, with the elbow slightly bent;
Step 2: At the elbow bend, you can feel a large tendon (the biceps brachii tendon), and by its inner side, you can touch a depression, which is the location of this acupoint.