A qualitative study was conducted in Surma woreda, Southern Nations, Nationalities,rnand People’s Region (SNNPR) in order to investigate the socio-cultural factors inrndecisions related to fertility in Suri ethnic group. Key informants were selected byrnheterogeneous and snowball sample selection techniques. Key informant in – depthrninterviews using open-ended questions and observations using checklists were therndata collection techniques. Data analysis was done manually in the field and usingrncomputer software for handling qualitative data. The Suri has an old tradition of childrnspacing practice. The reason for their child spacing practices are related to childrnwelfare especially related to child feeding practices, maternal well being for fear ofrnmaternal depletion as a result of closely spaced births and the violent way of life thatrnthe Suri people often find themselves in. The traditional methods used for childrnspacing include the rhythm method, post – partum sexual abstinence, and prolongedrnbreastfeeding. Traditional sexual norms such as polygamy and extramarital relation inrnmen and the pastoralist way of life support child spacing practice using the traditionalrnmethods. In instances of unwanted pregnancy, the Suri try to induce abortion usingrnlocal materials and plants. Recommendations were given to establish reproductivernhealth services in the area as well as strengthening the already existing traditionalrnfamily planning method by providing scientific and reliable information