Medicinal Properties of Dew In Ben Cao Medical Book

Definition: Dew is water droplets on grass, leaves and flowers, it should be collected in the morning in Autumn.

Smell: Sweet, Mild, Non-toxic


– Dew can be used in herds cooking which is intended for lung cleaning and respiratory support, it will enhance the curative efficacy.

– Dew collected from flower can also be used externally to increase skin health.

– Dew collected from cedar leaves or calamus can be used in eyewash to enhance vision.

– Dew collected from leek leaves can be used externally to treat vitiligo.

The Ben Cao Medical Book (also known as Compendium of Materia Medica or Ben Cao Gang Mu; Chinese: 本草纲目) is the most famous and comprehensive medical book ever written in the history of traditional Chinese medicine (CTM). Compiled and written by Li Shi-zhen (1518~1593), a medical expert of the Ming Dynasty (1368-1644) over 27 years. 

The Ben Cao Medical Book records and describes all the plants, animals, minerals, and other objects that were believed to have medicinal properties in CTM. The book reflects the pharmaceutical achievements and developments of East Asia before the 16th century. On the basis of his predecessors’ achievements in the pharmacological studies, Li contributed further by supplementing and rectifying many past mistakes and misconception in relate to nature of many medicinal substances and causes of various illnesses. Charles Darwin, originator of the biological theory of evolution, regards the book as the “ancient Chinese encyclopedia”.

Disclaimer: The Ben Cao Medical Book is translated by The information on this website is not intended to replace a one-on-one relationship with a qualified health care professional and is not intended as medical advice. It is intended as a sharing of CTM knowledge and information from the research and experience from the author Li Shi-zhen.

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