9Ten Key Formula Families in Chinese Medicine provides a practical path to a deeper understanding of traditional Chinese herbal formulas. Dr. Huang discusses the core aspects of the ten most important families of formulas in the classical formula tradition in a way that is both profound and accessible. By introducing the concept of constitutions and the attendant vulnerabilities of those constitutions to certain types of disorders, he hands the reader a very useful key to understanding how and when to use these formulas in the clinic.