本草书籍中,常在每一味药物性味之下,标明“有毒”或“无毒”等字样。“毒”从广义来讲,是药的偏性。《神农本草经》把药物分为上中下三品,就是根据药性的无毒有毒来分类的,大体上把攻病愈疾的药物称为有毒,而可以久服补虚的药物看作无毒。例如:甘遂“主大腹疝瘕,腹满,面目浮肿,留饮宿食,破症坚积聚, Herbal books often include the words “toxic” or “non-toxic” under the taste of each drug. In a broad sense, “poison” is the bias of medicine. “Shen Nong’s Materia Medica” divides medicines into upper, middle and lower grades, and classifies them according to their non-toxic and toxic properties. In general, drugs that attack diseases and diseases are called poisonous, while drugs that can treat long-term deficiency and tonic are considered non-toxic. . For example: Ganzi, “The main belly is full of abdomen, full of abdomen, puffy face, stay and drink, food, and break-up syndrome.