Location: The knuckle surface of the thumb's distal phalanx.
Technique: Pushing Method—Use the side or pad of the thumb to apply linear pressure along the acupoint.

Procedure: Flex the infant's thumb and push along its lateral side from the fingertip to the base, repeating 100–300 times.
Key Points: Apply gentle, even pressure with rhythmic strokes at a frequency of 200–300 times per minute.
Step Two:Abdominal Rubbing for 5 minutes
Location: Center of the abdomen, around the navel.
Technique: Rubbing Method — Place the palm or the pads of the index, middle, and ring fingers on a specific area or acupoint. Move the wrist and forearm in a circular motion clockwise or counterclockwise to create friction. Using the palm is called palm rubbing; using the fingers is called finger rubbing.