This book is a comprehensive introduction to Hetian jade''s collection, investment, and appreciation. The book introduces various basic knowledge of Hetian jade in detail, summarizes the characteristics and varieties of the three major mainstream Hetian jade, and narrates the differences between Hetian jade in detail, and explains the techniques of distinguishing the real and fake to readers, introduce in detail the appreciation and wearing methods of Hetian jade, and guide readers to choose suitable Hetian jade products reasonably; also tells the principles of the collection and purchase of Hetian jade and the market situation of Hetian jade in recent years. This book is a necessary reading for readers to transform from a beginner to a real expert.