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(Qujia is located on the sides of the face, below the ears, and is also known as "Fan".) This area is the intersection of the Foot-Shaoyang Gallbladder Meridian (Zu Shao Yang Dan Jing) and the Hand-Yangming Large Intestine Meridian (Shou Yangming Da Chang Jing). (*Ling Shu* states: "Fan" refers to the lateral side of the cheek; "Bi" refers to the ear gate. It further states: The meridian of the Foot-Shaoyang Gallbladder descends behind the ear, converges with the Hand-Shaoyang Sanjiao Meridian, reaches the angle of the mandible, and descends past Jiache acupoint. Shen Chengzhi notes: Approximately one cun anterior to Qujia belongs to the Hand-Yangming Large Intestine Meridian; posterior to Qujia belongs to the Foot-Shaoyang Gallbladder Meridian.) This area also pertains to the Hand-Shaoyang Sanjiao Meridian (Sanjiao Meridian) and the Hand-Taiyang Small Intestine Meridian (Small Intestine Meridian). (*Ling Shu* states: The sinews of the Hand-Shaoyang Sanjiao ascend to the shoulder, travel to the head, and converge with the Hand-Taiyang Small Intestine Meridian. Its branch lies at Qujia, entering to connect with the root of the tongue. It further states: The Foot-Shaoyang is posterior to the curved jaw below the ear. The Hand-Shaoyang emerges from behind the ear and ascends to knot above Wangu bone. It further states: The Hand-Taiyang corresponds to Qujia.) It also concurrently belongs to the Foot-Yangming Stomach Meridian (Stomach Meridian). (*Ling Shu* states: The meridian of the Foot-Yangming Stomach follows the posterior margin of the mandible, descends to the lower border, emerges at Daying acupoint, follows Jiache acupoint, and enters anterior to the ear.)

(Yi, referring to the chin or mental region, is also written as "Han".) This area belongs to the Foot-Yangming Stomach Meridian. (*Ling Shu* states: If there is pain in the chin, puncture the arterial pulse at the curved part of the Foot-Yangming; upon bleeding, the pain ceases immediately. *Su Wen* states: When the Yangming Qi is deficient, there will be cold chills and trembling of the chin, eventually leading to movements of the mouth and ears. It further states: For pathogenic factors rushing upward to the throat, treat the starting point; this starting point, called 'Jian', is located superiorly clamping the chin. Wang Qixuan explains: The Yangming meridian ascends to the chin and encircles the lips, hence the term 'clamping the chin' as 'Jian', which refers to Daying acupoint. It is located 1.3 cun below Qujia, within the bony depression where the arterial pulse is felt.) This area also pertains to the Hand-Shaoyang Sanjiao Meridian and the Hand-Yangming Large Intestine Meridian. (*Ling Shu* states: The divergent channel of the Hand-Shaoyang ascends to clamp the pharynx and emerges from the middle of the chin. It further states: For chin pain, puncture the Hand-Yangming and bleed the full vessels in that area.) It also concurrently belongs to the Foot-Shaoyin Kidney Meridian (Kidney Meridian). (*Su Wen* states: In patients with Kidney Heat Disease, the chin turns red first.)

(Renzhong is located below the nose, corresponding to the location of Shuigou acupoint.) This area is the intersection of the Hand-Yangming Large Intestine Meridian, Foot-Yangming Stomach Meridian, and the Du Mai (Governing Vessel). (*Ling Shu* states: The branch of the Hand-Yangming Large Intestine Meridian emerges from beside the mouth, crosses at Renzhong, with the left crossing to the right and the right crossing to the left, ascending to clamp the nostrils. It further states: The meridian of the Foot-Yangming Stomach follows the lateral aspect of the nose and enters the upper teeth. Shen Chengzhi notes: Five fen on both sides of Renzhong is named Heliao acupoint, belonging to the Hand-Yangming Meridian.) This area also pertains to the Foot-Taiyin Spleen Meridian (Spleen Meridian). (*Ling Shu* states: When the Qi of the Foot-Taiyin Spleen is exhausted, the meridians fail to nourish the muscles. The lips and tongue are the roots of the muscles. If the meridians fail to nourish, the muscles become soft. Soft muscles lead to a flaccid tongue and fullness in Renzhong. Fullness in Renzhong leads to everted lips. Everted lips indicate that the flesh has died first; the condition worsens on Jia days and death occurs on Yi days, due to Wood overcoming Earth. *Xuan Zhu* states: Swelling in Renzhong indicates the exhaustion of Spleen Qi.)