Babies' growth and development does not only simply refer to put on weight and grow taller, but also refer to motor, language and emotion development. This book accepts standard of World Health Organization and is based on features of one to three years old babies' growth and development. It provides parents information about growth characteristics, key to raising and developmental disorder which are divided into three aspects according to physique, aptitude and psychology. Parents will supervise various measures of babies' growth and development and accept babies' developmental condition.