前言我们学习中医,应该抓两个主要方面:一是理论,它是为“辨证”服务的;一是方药,它是为“施治”服务的。单有理论,没有方药,好象打枪没有子弹一样;反之,光有方药,没有理论,等于无的放矢。有些初学中医的同志,接触临床,对方剂方面,感到难于掌握,提出要背诵多少方剂,才够应用?每一种病,都列有好几条方子,临床上怎样选用适应的方子?对一个方子的药物加减或分量增减的变化,怎样才够标准?要答复上述的问题,必须遵照毛主席的教导:“你要 Foreword When we study Chinese medicine, we should grasp two main aspects: First, theory, it is to serve “dialectic differentiation”; first is prescription, it is to serve “government”. In theory alone, there are no prescriptions. It seems that there are no bullets to fight a gun; on the contrary, there are prescriptions for light and no theory, which is equal to nothing. Some comrades of Chinese beginners who have learned Chinese medicine have difficulty in mastering the clinical and contraceptive aspects. How many prescriptions should they recite should be enough to apply? Each disease has several prescriptions. How do you choose the clinical prescription? How can a criterion be adequate for a prescription’s changes in drug additions and subtractions or weight increases or decreases? To answer the above questions, it is necessary to follow Chairman Mao’s teaching: “You must