《本草害利》,为清人凌奂所著,该书集历代前贤之经验,写作方式亦别出心裁,独具风格。论药先陈其害,后言其利,次论修合炮制,开本草毒理学之先河,是部不可多得的本草学著作。笔者有感于今人闻功饰过,善言利而少言害,乃崇尚是书作者求实精神。故不揣才疏学浅,略陈管见。一、喻药如兵,将分猛次是书将药证按五脏六腑归类列队,犹如临阵布兵,而将士各就其位。譬如心部药队,将其分为补心猛将,下辖药物八味,皆为补心养血之常剂。又设补心次将,下辖药物七味,相比而盲,其性味均次于猛将类药。由上构成补心队列。与之旗鼓相当,又设泻心猛将,下辖药物六味,再设泻心次将,下辖药物二十味,构成泻心队列。这种比喻排列法,虽不尽完善,但从临床分析,却在情理之 “Materia Medica Harm” is written for the Qing Dynasty. This book combines the experience of previous generations of predecessors, writing style is also unique, unique style. It is an invaluable work on the topic of medicine, which is based on the idea that medicine has been harmed by Chen Xian, and that it has benefited from it later. The author feels that today’s people have listened to the song and said that they are good, they are good, they don’t talk, and they are advocating is the spirit of the book’s author. Therefore, it is not easy to learn and superficial. First, Yu Yaoru, who will be divided into fierce times, the book will be classified according to the internal organs of the drug card, as if the enemy soldiers, and the officers in their respective positions. For example, the heart and the medicine team will be divided into the core of the Meng, under the jurisdiction of the drug eight flavors, are the common ingredients to nourishing the heart and nourishing blood. Also set up the heart of the second, the drug under the jurisdiction of the seven tastes, compared to the blind, its taste is second to the mafia class drugs. It consists of a make up heart queue. Dozens of them are equally matched, and they also set up diarrhea, administer six flavors of drugs, and then set up diarrhea times. They will administer twenty drugs and form a diarrhea queue. Although this metaphor arrangement method is not perfect, but from the clinical analysis, it is reasonable.