Counseling is a therapeutic guidance process that helps individuals overcome personal, social, and emotional problems. Its main goal is to help people develop abilities and skills to overcome problems and achieve better life goals. In this case ecological counseling based on social development, social development is the development of the level of relationships between people in connection with the increasing needs of human life. Ecological counseling based on social development in this study is intended to improve social skills in autistic children at AlBasri Pesawaran Kindergarten, with social skills indicators, namely: communication difficulties consisting of verbal and nonverbal communication and expression difficulties which include: shock, fear, anger, disgust, sadness and joy. This study used a pre-treatment and post-treatment research assessment design to test the effectiveness of ecological counseling based on social development in improving social skills of autistic children at Al-Basri Pesawaran Kindergarten. The population of this study were all autistic children who attended Al-Basri Pesawaran Kindergarten. The sample of this study was selected by purposive sampling, namely autistic children who experience difficulties in social skills. The research sample consisted of 10 people consisting of 5 teachers and 5 parents who have autistic children. The results of this research conducted and from the analysis of pre-counseling and postcounseling questionnaires submitted to teachers and parents, it is known that there is an increase in the ability of autistic students to social interaction skills and communication skills for students at Al-Basri Pesawaran Kindergarten. Based on these results it can be concluded that there is a positive effect of social development-based ecological counseling in improving the social skills of autistic children at Al-Basri Kindergarten, Pesawaran.