: Diarrhea is a disease in which sufferers experience the stimulation of bowel movements and stool or persistent fases who still have excessive moisture content. The objective of this study is to identify factors of using health services by mothers with Infant Diarrhea. The study was conducted on August to October 2012 at Pancoran Mas Village, Depok City which used a cross sectional design. Respondents are 200 mothers who have infant under one year old with Diarrhea in last one month. Samples are taken from the crowded population of the village with high diarrhea case. Collecting data is conducted by questioner and direct interview. From 12 analysis variables such as age, education, occupation, family income, experience, believe, knowledge, attitude, distance, medical cost, exposure information and family support, it resulted 2 existing variables which have meaning relation with using health services for infant diarrhea, namely family support and exposure information. Based on the study results, Health Service Department should conduct advocacy and socialization activities to Local Government Depok City in order to support budget and program on promotion and preventive of infant diarrhea. Increasing the role of the midwife in promoting the use of health services for infant diarrhea.