服法是中药合理运用的重要一环 ,服法不当 ,反而为害。早在《神农本草经》一书中 ,对中药服法已有详述 ,其云“病在胸膈以上者 ,先食后服药 ;病在心腹以下者 ,先服药而后食 ;病在四肢血脉者 ,宜空腹而在旦 ;病在骨髓者宜饱满而在夜”。再如《伤寒论》中桂枝汤宜温服一杯 ,约半? Manipulation is an important part of the rational use of Chinese medicines. As early as in the book “Shen Nong’s Materia Medica”, the traditional Chinese medicine regimen has been described in detail. Its cloud “is above the chest and is taken before the first meal; patients who are below the genitals take the drug first and then eat it; the disease is in the blood of limbs. Those who are fasting should be fasting; Another example is that in the “Treatise on Febrile Diseases,” Guizhi Tang should serve a cup of warm drink, about half?