The constraints on the establishment and management of quality assurance in Nigeria early childhood education is the focus of the paper, since there is need to put adequate attention on this level of education as it serves as the foundation for all other levels of education all over the globe. Therefore, both the government, parents, teachers and other stakeholders in education should not leave any stone untouched for proper development and management of early childhood quality assurance education for both the scientific and other developments of the nation. The combinations of many factors such as lack of adequate facilities and infrastructure; textbooks production, mother tongue and foreign languages; over population of the learners; parents over exploitation by the proprietors; flagrantly abuse; inadequate control and mentoring; among others have constitute problems militating against proper development and management of this system of education as well bring about obstacles for appropriate intellectual and psychological development of Nigerian child with proper solutions were put into consideration. It was recommended for the establishment of government-owned early childhood schools with adequate, qualitative and qualified teachers and to provide thorough supervision and mentoring on the private-owned school type to bring about quality assurance on the early childhood education in Nigeria so as to meet the 2030 Millennium Gold in education.