Chinese Herbal Medicine has evolved over 4000 years as a powerful and accurate tool regulating the internal organs and immune system.  All the ingredients used by Australian Chinese herbalists are natural, and unlike most Western drugs, are safe enough to not be a prescription only medicine. Over 450 herbs are commonly used in Chinese medicine. Herbal formulas are a mixture of different herbs to treat an individual's illness. Often the formulas will be tailored to treat the specific ailment of the individual, in other cases for common complaints the herbs maybe in a patent form of pill, plaster etc.
please see Chinese Herbs for more details