Background: Diarrhoea remains the leading cause of morbidity and mortality in childrenrnunder 5 years old worldwide. The burden is disproportionately high among children in low-rnand middle-income countries. Worldwide, the majority of deaths related to diarrhoea takernplace in Africa and South Asia. Nearly half of deaths from diarrhoea among young childrenrnoccur in Africa where diarrhoea is the largest cause of death among children under 5 yearsrnold and a major cause of childhood illness.rnObjective: The objective of this study was to assess knowledge, attitude and practice ofrnmothers towards management of diarrhoea for children less than five years and associatedrnfactors in Ginchi town, West Shawa, Oromia regional State, and west of Ethiopia.rnMethods: A community based cross-sectional study was conducted at Ginchi town fromrnApril 1 â€“ 15/2017. Systematic sampling technique was used to get study subject. Torndetermine the sample size a single proportional formula was used. The study sample size wasrn335. Standardized interview questionnaires were adapted from related articles to collect datarnon the socio-demographic variables and factors associated with it. Pre-test was done beforerndata collection on 5% of sample size at Gojjo town necessary modification was made.rnCollected data was entered into Epi-data (version 3.5.1) and exported to SPSS softwarernpackage version 20.0 for further analysis like frequency tables, SD, mean, binary andrnmultivariate analysis.rnResult: Out of 335 sample population 326 respondents were participated, the response raternwas 97.3%. Based on the mean, 208(63.8%) of mothers/care givers were had goodrnknowledge. About 202(62%) of the mothers/care givers had favourable attitude. Near to twornthird of respondents had good practice. Educational status had significance association withrnknowledge, attitude and practice of mothers on diarrheal management.rnConclusion and Recommendation: Majority of respondents had good knowledge,rnfavourable attitude and good practice toward management of diarrhea. Educational status ofrnmothers/care givers had significant association with knowledge, attitude and practice ofrnmothers/care givers towards management diarrhea for under-five children. Therefore, healthrneducation and awareness creation program for the mothers/care givers on management ofrndiarrhoea, and appropriate use of ORS, home based fluid preparation, prevention of diarrhoearnis very crucial.rnKey words: Knowledge, Attitude, Practice