桂枝为樟科植物肉桂的嫩枝，其味辛甘而性温，入心、肺、膀胱经，具有解肌发表、温经通阳之功效，为辛温解表药，但其解表作用远不及它的温通作用在临床中应用的那么广泛，现将桂枝的温通作用，简述如下：１　温化痰饮　　多用于痰饮病。其痰饮之因，多由中焦阳虚、脾失健运， Guizhi is a twig of the cinnamon plant of the Polygonaceae family. It is sweet and warm, enters the heart, lungs, and bladder. It has the effect of releasing muscles and warming the yang. It is a Xin Wen solution, but its solution is far Less than its temperature-pass effect is widely used in clinical practice, the temperature-passing effect of cassia twig is briefly described as follows: 1 Wenhua wolfberry drink is mostly used for phlegm drinking. The cause of phlegm drinking is mostly due to deficiency in the middle of the sun, deficiency of the spleen, and loss of health.