Objective: Feeding infants 0-12 months old plays an important role in the growth,development, and prevention of disease. This work was carried out to determine theknowledge, attitudes and behaviors of mothers who have children at 0-12 monthsold about infant feeding with mother milk, infant formula, and supplementary foods.Material and Methods: This work is a cross-sectional and descriptive study. Atotal of 100 mothers who are healthy and breastfeeding, and have children at <12months of age were recruited. Participants were asked to fill a questionnaire with43 questions under 2 sections with a face to face interview. For the comparison ofqualitative data Chi-square test was used. Results: Immediately after the birth, 87%of the mothers give the breast milk first while the others have been found to giveother liquids. 61% of mothers stated that they should be given water to babies born inthe summer. 53.8% of the mothers with low income gave supplementary food at 10-12. months while 88.9% of mothers with good income have begun to give additionalfood at 4-6. months. The majority of mothers with low educational level (48.8%) said that they had begun to give additional food with an advicefrom family elders or the environment, while the majority ofwomen with high education level (40%), make this decisionvoluntarily or by health professionals. While during thefirst three months of the baby is not given any additionalfood products, after the 6th month especially yogurt-likefood and after 3 months fruit purees are most preferredsupplementary food. Conclusion: Mothers' educationallevel and working conditions has been found to affectthe time to start supplementary food for babies. We havefound that the knowledge about breastfeeding and feedingpractices of mothers are moderate. It is recommended togive education on mother's milk and breastfeeding duringpregnancy.