Introduction: hallux valgus is a complex deformity that covers the entire first radius of the foot, often accompanied by changes in the other pododactyl. In children and adolescents this condition is rare and underdiagnosed because these patients often do not seek treatment until the pain limits their daily activity and the selection of shoes. There is a great amount of researches that addresses and advocates several surgical techniques, such as soft tissue procedures and osteotomies, in particular the Chevron osteotomy which is the technique under study in this paper.