The causes of psychological problems are often related to childhood. How to build the cornerstone of mental health in children's childhood? How can parents subtly guide their children to be healthy? How to use psychological knowledge in daily life to solve specific problems in parent-child education? How to establish a good parent-child relationship so that children have a happy childhood? The author shared his carefully recorded parent-child diary, with true feelings, integrating the perception and experience of parent-child education into the lines, providing some insights for the education of the next generation, hoping to arouse the thinking of the majority of parents.