Abstract. Background :Family planning was a government program to balanced population growth and enhancequalityfamilies. However, efforts to administer contraceptive services werestilldominated by women, because the types of methodsavailable are more aimed at women. On the other hand, in accordance with the diversity of cultures, customs, values and religion in Indonesia, decisionmaking on the choice of contraceptive methodswasstilldominated by men/husbands, eventhough the wife'sknowledge of contraception was good, if therewas no husband's support the wifecannot use contraception.The aim of thisstudywasto knowhusband’sknowledge of family planning and attitudes to support decisionmaking of contraceptive used. Methods :It was descriptive studywith cross sectionalapproach. The sampling technique usedmultistagerandomsampling. It wasinvolved 130 married couples from Pasteur, Bandung. Results :There were 55.4% of husbands' lack of knowledge about family planning, most (61.5%) husbandswere positive about family planning. There were56,6% of husbandslackknowledge about family planning withlack of attitude about family planning. Conclusion :The aspects of belief, culture, social values makehusband as a determinant in decisionmaking of contraceptive used. It was important to develop the concept of husband’s contraceptive counseling to enhance contraceptive used.