The correct way to tap the large intestine meridian is to hold the hand lightly with an empty fist, start from the wrist, and tap along the route of the large intestine meridian from bottom to top.
The large intestine meridian starts from the end of the index finger, along the radial edge of the index finger, out of the first and second metacarpal bone, into the two tendons (the tendon of the thumb and the tendon of the thumb and the short extension tendon) between the two tendons, along the radial side of the forearm, into the outside of the elbow, the outside of the arm through the front of the lateral side of the upper arm, the shoulder, out of the front of the shoulder peaks, up to the meeting of the neck, down to the supraclavicular fossa, in the lungs, through the diaphragm, belonging to the large intestine.
Generally shoot the large intestine meridian, the patient to take a standing position, the left arm naturally hanging down, with the right hand holding an empty fist along the route of the large intestine meridian pat the left arm, after patting the left fist to pat the right arm, patting the technique is not too heavy.
Specifically need to be operated by a professional physician, do not blindly try on your own to avoid adverse effects.