Chinese herbal formulas has been changing and developing for more than 2,000 years. In the long history of China, pandemics and difficult diseases have appeared. These difficult times strengthen the usage of the formulas and prove herbal formulas are natural and suitable for humans.

In modern times, Chinese herbal formulas have been studied for many medical problems, including stroke, heart disease, mental disorders, and respiratory diseases (such as bronchitis and the common cold).