Four finger-widths below the navel. Another acupoint producing the same effect is two thumb widths directly below this point.

Two thumb-widths above the spot at which the big toe and the second toe join, on the upper surface of the foot.

Immediately above the spot at which the big toe and the second toe join, on the upper surface of the foot.

On the big toe, on the side nearest to the second toe, just behind and slightly to the side of the nail.