Background: Determining the number of children, spacing and preventing pregnancy is an effort made to regulate population growth. This can be optimized through the Family Planning program and the use of contraceptives, which of course everyone has the right to these. Mother’s knowledge becomes the thingthat makes mothers understand the reasons for using contraception which then mothers become confident because of the husband’s support they get. Couple of childbearing age is the main target of contraceptive use. The number of couple of childbearing age at Binong area was 15,886 people with the number of couples using family planning as many as 9,429 people. Objectives: To find out the Description of Mother's Knowledge and Husband's Support in Using Contraception at Binong Health Center. Methods: This research uses descriptive quantitative research methods. The sample of this study was 40 people with thecnique used is purposive sampling. The instrument is Mother knowledge questionnaire with cronbach’s alpha 0,851 and husband’s support questionnaire with cronbach’s alpha 0,768. The data analysis technique used is univariate analysis. This research conducted in April and May 2020. Result: the result showed that mother’s knowledge mostly is adequate 70% (28 respondents), high knowledge 27,5% (11 respondents) and 2,5% (1 respondent) was low in knowledge. Husband’s support showed that mostly had positive support from the husband 65% (26 respondents) and negative support from the husband 35% (14 respondents). Conclusion: Mother’s knowledge is adequate and husband’s support is possitive in using contraseption at Binong Health Center. Reccomendation: mother may have a good knowledge of contraception then use the appropriate one and husband may fully support mother in contraception uses.