The ability of children's social interaction in group A RA Fatih Al-Baariq Central Java Village has a tendency for children to play alone, lack of children in socializing, not greeting each other, still rarely making eye contact when talking, and during the process is still centered on the teacher which causes the conversation to be dominated by the teacher. The purpose of the study was to determine the objective condition of children's social interaction skills before applying the role-playing method and the application of the role-playing method in improving children's social interaction skills. The research method used collaborative classroom action with professional role play. The subjects in the study amounted to 23 children. The result of the research is that children's social interaction abilities have increased in each indicator including children being able to greet, children being able to communicate verbally, children being able to ask for help, children being able to listen, children being able to ask questions and children being able to have conversations. The recommendations given improve children's social interaction as an interesting method, and motivate and involve children directly.