桂枝汤广泛应用于内、妇、儿、皮肤等科的各种疾病 ,究其作用机理 ,根本在于调和营卫。本文试将桂枝汤调和营卫之实质探讨如下。1　营卫不和为桂枝汤证的基本病机生理状况下 ,营气和卫气 ,一清一浊 ,分行于脉之内外 ,阴阳相随 ,内外相贯 ,交合感应 ,和谐统一而各行其职 ,如此则 Guizhi soup is widely used in various diseases such as internal medicine, women, children, and skin, and its mechanism of action is fundamentally to reconcile the health care industry. This article tries to discuss the essence of Guizhi Tang and Ying Wei as follows. 1 Under the circumstance of the basic pathogenesis of the Guizhi Tangzhi syndrome, the camping gas and Weiqi are all clear and turbid. Branches are inside and outside the vein, yin and yang are accompanied, inside and outside are consistent, and induction is combined, and harmony is unified. His job, so