An overview of the child’s psychology, the processes a child’s human brain and body go through while becoming a youthful adult. All of the factors that matter and so are taken into account when it comes to learning child advancement. Its development since child mindset was first described in the history. The theories proposed by great psychologists which clarify the process step by step and stage by stage. Dividing of the process into major categories of research. Division of the age-group of kids for an improved about Child Psychology knowledge of every stage and of each procedure on each stage. Additionally an insight into the required actions to the better mental condition of children. The roles that must be performed by parents, environment, environment, and society to keep a wholesome psychology, to build up a healthy psychology to begin with. The importance of studying this matter subject in this point in time aswell as the increasing scope it has to give teenagers and women and all of the fascinating career possibilities it has to offer for anyone who is truly interested and ready for the hard work it requires.