The key points of diet and health preservation in each season, and the foods that should be avoided in each season. This book explains the main points and taboos of diet in spring, summer, autumn and winter with simple and easy-to-understand popular language and concise structure. From climate to food, from people to individuals, from healthy people to sick people, everything is nuanced. There are always food topics you care about, and there are always foods you should avoid. This book is a close friend of your diet throughout the year and a friendly staff member at the family table.