大黄是中医临床处方中应用较为广泛和普遍的常用中药。通过对大黄的古今炮制方法的比较，将会使我们更进一步了解对药物进行不同的加工炮制后，必然会带来一定的量变和质变。大黄为蓼科植物掌叶大黄、唐古特大黄或药用大黄的干燥根和根茎。历代炮制法中，汉代有炮熟、酒洗... Rhubarb is a widely used and commonly used traditional Chinese medicine in clinical prescriptions of traditional Chinese medicine. Comparing ancient and modern processing methods of rhubarb, we will further understand that after different processing of drugs, it will inevitably bring about certain quantitative changes and qualitative changes. Rhubarb is the dry root and rhizome of Rheum palmatum, Rheum tangutum, or medicinal rhubarb. In the ancient concoction method, the Han Dynasty had cooked and wine washed...