This study is about the practice of Guddifachaa (adoption) of children in Oromo society: the largest population in the horn. It is an ethnographic case study of Ada''a Liban of the Tulama Oromo clan Guddifachaa Practice past and today with its changes and the continuity.In Ethiopia, adoption is referred as guddifachaa with the origin from Oromo society. Culturally, guddifachaa refers to the process of taking another family''s son or daughter as a child of own with all his /her privileges, rights, responsibilities and other duties based on the Gada law by adopters. Guddifachaa promotes the safety and well-being of children in the adoptive family setting to vulnerable children in Ethiopia. Guddifachaa has undergone some slight changes in terms of practice and has continuity. It is also practiced in 11 nation and nationalities of Ethiopia.