Toothache, tonsillitis; children's muteness; cholera; muscle cramps.

On the medial side of the foot, at the prominent part of the medial malleolus. (This acupoint is a pair, one on each side)

Step 1: Lie supine or sit upright with feet dangling;
Step 2: The highest point of the medial malleolus is where the acupoint is located.