Human milk is considered to be the optimum food for newborn nutrition. It is widely acknowledged as the ideal food for almost all infants due to its proven health advantages for both children and their mothers. It has particularly significant health advantages for preterm infants. Human milk is a very complex composite liquid of nutrients for newborn growth that is predominantly composed of proteins, fats and carbohydrates as well as vitamins, minerals and other nutrients. The fat in human milk promotes the development of baby's neurologic tissues and brain which is crucial for premature infants. This book aims to shed light on the role of human milk for preterm infants. It presents researches and studies performed by experts across the globe. The extensive content of this book provides the readers with a thorough understanding of the subject.