Background: Under nutrition is the major public health problem all over the world. In Ethiopia, child malnutrition rate is one of the most serious public health problem and the highest in the world. High malnutrition rates in the country pose a significant obstacle to achieving better child health outcomes.. Objectives: the study was aimed to assess the prevalence of under nutrition and associated factors among 6-59month of age children in Angolela Tera district, North Shoa, Amhara region, Ethiopia. Methods: A community based cross-sectional study was conducted by simple random sampling technique with sample size of 414 enrolled mothers with 6-59month of children. Semi structured questionnaires wereused to collect data. The data was entered using EPI DATA version 3.1and analysis was done by SPSS version 24 and WHO Antro software were used for anthropometry calculation. Bivariable and multivariable logistic regression analysis was used. Result:Among414 mothers with child pairs the result of our study indicated that 39.4%, 15.9% and 6.8% of children were stunted, underweight and wasted respectively. Multivariate logistic regression analysis identified male sex, child age, children having diarrhea within two week, diarrhea incidence before 2week and maternal ANC follow up were significantly associated stunting.Child sex, birth interval, family income, children having diarrhea within two week and diarrhea incidence before two week of data collection were significantly associated with underweight. Similarly, home delivery, Diarrhea with in two week, respiratory tract infection and prelacteal feeding were associated to wasting Conclusion and recommendation: This study revealed high prevalence of under nutrition (stunting, underweight and wasting) among children aged 6-59 months in the study area. All the concerned body should be strengthening the health extension program to improve and provide necessary education for the community on nutritional program, environmental sanitation, ANC followup, diarrhea prevention, breast feeding, and weaning practices.