The general textbook recommends that the depth of Foot Sanli acupuncture is 1-2 inches, and the time of needle retention is half an hour, but also need to take into account the patient’s fat and thin, the condition and the season of acupuncture and so on. Foot Sanli is located on the lateral side of the calf, under the eye of the knee, where the muscles are abundant, and the depth of needling can reach 1-2 inches. In addition, the depth of the foot three li acupuncture depth is also related to the patient’s fat and thin, condition and acupuncture season. General foot three mile acupuncture depth of 1-1.5 inches, for spring and summer, thin people, the disease in the table acupuncture depth should be shallow, autumn and winter, fat people, the disease deep acupuncture depth should be deep. Because the qi and blood Yingwei run a week probably need 28-30 minutes, so acupuncture foot Sanli general half an hour. For long and serious illnesses can also stay for a long time needling. If discomfort occurs, the need for acupuncture treatment, it is recommended to go to the hospital, acupuncture treatment by a professional doctor, do not operate on your own to avoid risks.