Childbirth in health facilities is a government recommendation to reduce MMR/AKB. This is stated in the legal basis of Permenkes No. 21 of 2021. The reduction in MMR and IMR in remote areas has not been as expected, because many remote communities have not given birth in health facilities, the contributing factors are areas that are mountainous areas and difficult to reach, low educational background, weak socioeconomics, and poor access to health services, The largest contributor in Banjar Regency is Puskesmas Paramasan. Puskesmas Paramasan is a remote area. Based on data in 2023 the percentage of women giving birth at health facilities is 36%, giving birth at home is 64%. Objective to determine the factors causing the low coverage of childbirth in health care facilities in the working area of Puskesmas Paramasan. This study is a type of analytical survey with a cross sectional approach. the population in this study were mothers who had given birth, sampling using total sampling, the data used were quantitative with primary data sources. Mothers with low knowledge were 24 people (57.1%) high knowledge 18 people (42.9%). Low family support as many as 19 people (45.2%) high family support 23 people (54.8%). Maternity mothers who gave birth in health facilities were 24 people (57.1%) who did not give birth in health facilities 18 people (42.9%). The results of the analysis using the Fisher axact test found that there is a relationship between maternal knowledge and delivery in health facilities in the Paramasan Puskesmas Working Area, there is a relationship between family support and delivery in health facilities in the Paramasan Puskesmas Working Area.