The Eight Commentaries on Observing the Precepts of Life 遵生八箋 , is a Ming dynasty text focused on health and longevity. This lecture provides an introduction to the work, focusing on the chapter which delineates various methods to maintain optimal health in each particular season. These methods include physical exercises, herbal formulas and general lifestyle advice. This video was recorded as a part of a series of online lectures held by the Australian Acupuncture and Chinese Medicine Association designed to allow many Australian researchers to share their work with a wider audience.