This is a full-text English translation of the TCM classic on pediatrics written by QIAN Yi (1032-1113 CE). It covers syndrome identification and treatment of diseases in infants and young children. The book consists of three parts: Part I is about diagnosis of children's diseases and their recommended treatments. There are 81 articles covering a wide range of clinical patterns. Part II reports 23 case studies and provides an invaluable record of the clinical practices at that time. Part III contains over one hundred medicinal formulas for use in various treatment plans.