This book introduces the origin of the twenty-four solar terms, the climatic characteristics, phenology, flower news and weather of each solar term, as well as some related customs, festivals and stories, etc., and proposes corresponding health preservation methods, diet therapy soups, acupoint massages and small tips for each solar term. On the one hand, it hopes to explain the long-standing Chinese calendar and related culture to readers, and on the other hand, it hopes to strengthen everyone's health awareness throughout the four seasons.