Family is the first socialization agent in society, because the first time child knows about value and norm. The parent is an essential role in formative child behavior developing. The process socialization that doesnât by parents is communication and attention. In this research analyzed the effect of family socialization in child behavior developing in Jorong Lubuak aluang. In the background of this research there is some of family that doesnât liabilities as first socialization agent. One of them only thinks about their private without think about their child. Thus, it can give effect of child behavior. The formulation of the problem âDoes family socialization give significant effect in child behavior developingâ. The purpose of this research is to describe family socialization influence to child behavior developing.The theory that is utilized in this research is functional Structural (TalcotPerson).  Observational method that is utilized is quantitative method with descriptive approaching. Data collecting tool as questionnaire. This research is done to 50 informen, with aim to describe family socialization influence to child behavior developing in Jorong Lubuak Aluang. This informen consist of 50 childwith age 10 until 12 years old that is explain through questionnaire. From the research results show that: 1) The parentâs communication with their child is adverse because of 50 person respondent 62 % adverse categories. 2) The parentâs attention with their child is adverse because of 50 person respondent 72 % adverse categories. 3) The family socialization adverse in child behavior of 50 person respondent 54 adverse categories. 4) Child behavior Causes just fine looked of 50 respondent 60% just fine categories. Based on the result research, there is family socialization influence to child behavior developing in Jorong Lubuak Aluang. It visually of 50 respondents 62% for adverse.