《黄帝内经·灵枢·终始》
人迎脉大于寸口脉一倍的，是病在足少阳胆经；大一倍且兼有躁动的，是病在手少阳三焦经。
人迎一盛，病在足少阳，一盛而躁，病在手少阳。
If the Renying pulse is greater than the Cunkou pulse by a factor of one, the disease is in the Foot Shaoyang Gallbladder Channel; if it is greater by a factor of one and accompanied by restlessness, the disease is in the Hand Shaoyang Sanjiao Channel.