This book introduces the origin and development of the Chinese medicated diet, the nature, efficiencies and indications of and the direction of preparing and taking the dietetic drugs such as peppermint, scallion, honey and cloves. More details are focused on the treatment of the most common diseases such as chronic hypotension. Each disease is described with common types of syndromes and the composite medicated diet including ingredients, process, and directions. Medicated diet has a long history and is an important composite part of the theoretical system of the TCM. Under the guidance of basic theory of TCM, the dietetic Chinese drugs are compatible to base on differentiation of symptoms and signs. It is a synthetic subject for preventing and curing diseases.