The best way to take this point is to use a simple method of taking the point, cross the tiger’s mouth of both hands and straighten them, put the index finger of one hand straight on the radial tuberosity of the other hand, and the place where the tip of the index finger reaches is this point. Lechu from the “Spiritual Pivot”, belongs to the hand Taiyin Lung Meridian, which is located in the forearm anterior region, above the radial tuberosity, 1.5 inches on the transverse line of the wrist, the side of the palm to take the point. It has the function of promoting the lung and relieving cough, cathartic heat and drenching, and relaxing the meridians and collaterals. Clinical applications are as follows: 1. Treating lung diseases such as cough, phlegm, asthma, sore throat and so on. 2. Treating head and face diseases such as crooked mouth and eyes, neck pain, eye pain and headache. 3. According to the principle of proximity treatment of acupuncture, Lei Qiu can also treat arm contracture pain and wrist pain. If there is any discomfort, please consult a doctor in time. Acupuncture point treatment needs to be operated by a Chinese medicine practitioner, and should not be operated blindly by yourself. So as not to cause harm to the body.