The book is organized by organ system affected instead of by herbal name, so it will have headings such as "agents acting on the nervous system" or "agents acting on the heart". This type of listing is somewhat controversial as herbal medicines tend to work on more than one system.
The book's unique structure organizes its content around the specific body systems it targets, using headings like "substances affecting the nervous system" or "substances affecting the heart". However, this approach has sparked debate due to the fact that herbal remedies often have a broader impact on various bodily systems.