The exact location of the Lechu point is on the radial side of the wrist (thumb side), above the radial tuberosity, 1.5 inches above the transverse stripe on the distal palmar side of the wrist. Hands crossed tiger’s mouth placed, index finger fingertips can be touched under a gap, is the Lejiao point. Lechu is a point of the Taiyin Lung Meridian of the hand, and its location is on the radial side of the transverse carpal stripe (thumb side), above the radial tuberosity, and 1.5 inches above the transverse stripe on the palmar side of the wrist at the distal end of the wrist. The easy way to take the point is to cross the tiger’s mouth of both hands, the index finger of one hand naturally rests on the wrist of the other hand, and a gap can be touched under the tip of the index finger, i.e., it is the Lejiao point. Lechu points are used to treat lung diseases such as cough, sore throat, and joint injuries. Acupuncture point operation needs to be carried out by a professional doctor, patients with physical discomfort, should go to a formal institution to seek medical treatment, in order to avoid adverse consequences.