The location of Renying is at the front of the neck next to the laryngeal node, the anterior edge of the sternocleidomastoid muscle, where the common carotid artery pulsates. Renying is a meridian point. It is from “Ling Shu – Ben Tou”. It belongs to the foot yangming stomach meridian. Alias Tian Wu Hui, Wu Hui. Located in the neck, transverse to the laryngeal node, at the anterior edge of the sternocleidomastoid muscle, where the common carotid artery pulsates. It is used in the treatment of scrofula (mainly refers to tuberculosis of the lymph nodes in the neck), galls, sore throat, hypertension, asthma and other conditions. It is commonly used in modern times to treat bronchial asthma, tuberculosis, hemoptysis, laryngitis, tonsillitis, hyperthyroidism, goiter, hypertension, hypotension, and knee pain. Avoid the common carotid artery and stab straight. Moxibustion is prohibited at this point. When needling Renying, the operation should be carried out under the guidance of a specialized doctor, and patients should not operate on their own to avoid injuring the common carotid artery and causing adverse consequences.