The family planning program aims to achieve prosperity by providing marriage advice, infertility treatment, and birth spacing. Contraception is generally divided into two types: Long Term Contraceptive Methods (MKJP) and Non-Long-Term Contraceptive Methods (Non-MKJP). This study aims to analyze the factors that affect the interest in using the IUD (Intra Uterine Device) in public health centers filled with Indramayu. This study uses quantitative methods. The population in this study were all family planning acceptors at the Terisi Indramayu Public Health Center. The sample in this study was all family planning acceptors who did not use IUD KB. Data analysis used bivariate and multivariate analysis with Chi-Square or Chi-Square tests. The trust factor with a sample of acceptors who have positive beliefs, as many as 27 people (20%), acceptors who have negative beliefs, as many as 108 (80%). Cultural factors with a sample of acceptors who have a positive culture, as many as 63 people (46.6%), acceptors who have a negative culture, as many as 72 people (53.4%). Factors experienced by other people with a sample of acceptors who have a positive culture of as many as 42 people (31.1%) and acceptors who have a negative culture of as many as 93 people (68.9%). Factors of belief, Culture, and other people's experiences simultaneously influence the choice of KB IUD (Intra Uterine Device) 95.7%, while the other 4.3% are influenced by other factors not examined by the researcher.