Stearic acid, a long-chain fatty acid, has extensive applications in lots of fields, like the rubber industry, cosmetic industry, food industry, biomedical science industry and pharmaceutical industry. In this book, the synthesis, properties and applications of stearic acid are reviewed. Overall, this book provides readers with a professional sight to know about the properties and applications of stearic acid in several important aspects. This book will be a good reference in helping people know the reasons underlying the stearic acid caused phenomena and how to use it in a more appropriate manner.