The acupuncture method for Nei Ting point is to ask the practitioner to directly or obliquely puncture the point, and use moxa cones to directly or indirectly moxibrate the point. Nei Ting acupoint belongs to the foot yangming stomach meridian and is located on the back of the foot, between the 2nd and 3rd toes, behind the edge of the toes webbing at the red and white meat margin (the junction between the palm and the back of the hand, the heart of the foot and the back of the foot). According to the law of selecting acupuncture points based on the meridians, Nei Ting acupoints can be used to treat toothache, sore throat and other heat disorders of the five senses. It can also treat gastrointestinal diseases such as acid vomiting, diarrhea, dysentery and constipation. According to the principle of proximity treatment of acupoints, it can also alleviate the swelling and pain of the back of the foot, metatarsophalangeal joint pain. Moxibustion should not be too long. This operation needs to be used under the standardized operation of the acupuncturist.