Kids are the future investment, is expected as the next generation is an important period in the long life span. Childhood is a period in which the quality of individual development laid the foundation. But the reality is sometimes a child's development is not as expected. Sometimes the environment does not provide an enabling environment for growth and development. A situation that is certainly keenly felt by the victims of Lapindo children affected directly or indirectly from the Lapindo mudflow disaster in Porong Sidoarjo, East Java. Goals to be achieved in this research: (1) determine harmony influential families due to the Lapindo the child psychologically, (2) determine the relationship of social influential due to the Lapindo to the psychological development of children, (3) determine the role of influential government due to mud Lapindo to the psychological development of children, (4) knowing the personality of the effect due to the Lapindo to the psychological development of children, (5) knowing the harmony of the family, social relations community, and the role of government influence due to the Lapindo to the psychological development of children through the child's personality in Tanggulangin Sidoarjo. This study uses statistical analysis through multivariate regression analysis, also conducted exploration and narrative on the psychological development of children as a result of the Lapindo mudflow. The possible psychological development of children affected by child personality factors, and factors of family harmony, social relations, and the role of government. Thus this research using mixed methods, the method used to measure the quantitative models and qualitative methods to explore the psychological development of children is influenced by the personality of the child and family harmony factors, social relationships, and the role of government. The results of this study can be concluded that (1) has been identified as contributing factors in the achievement of the psychological development of children impact the mud disaster, the personality factor. Personality has contributed the most substantial and significant in achieving the psychological development of children amounted to 9,021%, (2) the child's personality are factors that most contribute to the development of thinking, the development of intelligence, the development of children's language, personality development of children, and mental development of the religion of children , Children who are developing psychological self-directed learners, awareness and high learning abilities so that they learn and try themselves to achieve excellence without having to be requested by others, (3) the role of xiii government has a relationship with the psychological development of children as a result of the Lapindo mudflow. Psychological increase if the support of the role of good government, and instead of diminishing the role of government led to the child psychologically reduced, based on the findings in this research note that there is a 10% of children are included in the category of Lapindo mudflow disaster impact on psychological development.