The book of Basic Theory of Chinese Herbs includes four parts: Part one is relate to the herb's functions, such as herb's material, botanic parts, color, taste, aromas, property, strength channel entering, directions of actions, dosage, reaction, side effects, and toxicity. Part two is individual herb study. Part three is herbal combination and precautions of using herbs. Part four is methods of preparing and taking herbs. This book provides a comprehensive study guideline for Chinese herbs.