Background : Posyandu is the spearhead of basic community health services. Basic health services at the Posyandu are Maternal and Child Health (KIA), Family Planning (KB), immunization, nutrition and prevention of diarrhea. Posyandu activities are assumed to be one of the right approaches to reduce infant mortality and morbidity and can improve nutritional status in children under five. Objective : This study aims to determine the relationship of maternal characteristics with maternal participation to bring toddlers to Posyandu in the Kasihan Health Center 1 Bantul. Method :This type of research is quantitative research using a correlational method using cross sectional design.Data analysis using chi-square test statistical test. Results : The results showed that 86 active mothers followed posyandu (60.6%).The mothers who participated most in Posyandu aged 20-29 years (early adults) were 46 respondents (32.4%).Mothers who worked as housewives who were active in posyandu were 81 respondents (57.0).Mothers with low education who were active in posyandu were 77 respondents (54.2). Mothers with good knowledge who were active in posyandu were 69 respondents (48,6%). Conclusion : So the conclusion of the education and mothers's work has a relationship with the participation of the mother to the posyandu at Kasihan 1 Public Health Center in Bantul, while age and knowledge do not have a relationship with maternal participation posyandu in the work area of Kasihan Health Center 1 Bantul.