This book is a masterpiece written by Dr. Chen Ying combined with more than a decade of his rich pediatric clinical experience in public hospitals and Hong Kong-style medical institutions as well as continuous study of advanced knowledge and skills of international pediatric medicine. This book contains parents' most needed knowledge involved in five categories of common pediatric diseases and five kinds of injuries that almost all the 0-6 years old children will encounter, and the health care of six key nutrients necessary for the growth and six instructions on vaccination.