Introduction: In the Democratic Republic of Congo, the right to health care is recognized to all children at both constitutional principles of the law on protection of the latter. Despite the existence of these instruments, access to health care continues to be a problem again. Thus, our study focuses on children with family breakdown and the right of access to health care: What about knowledge and attitudes in Mbujimayi/Democratic Republic of Congo. Methods: The study is the quantitative correlational type and focused on 600 children from broken homes in the city of Mbujimayi. She performed for a period of four months which is from 18 March to 18 July 2018. A questionnaire consisting of closed and open questions was used as an instrument for data collection. The Epi-Info software version 3.5 in 2010 was used for data analysis. Results: The majority of children in family breakdown is composed of those with more than 14 years with (52.8%); the average age is 15.5 years; 67.8% are male; 53% live east of the City of Mbujimayi; 60.5% are non-monogamous families; 53.8% are without levels; 67.5% are Christian and 71% cannot read or write. Conclusion: Knowledge of the right of access to health care and the question that access to health care den is an exclusive right granted to children from broken families is low. The attitude of children from broken front right of access to health care Mbujimayi is negative. So to improve this knowledge and attitudes, we suggest that parents support their responsibilities by supervising their children. Social actors and other stakeholders in the protection of children, help them reintegrate into society by providing them with a minimum of education/training to continue to do How to cite this paper: Mishinda, A