Anatomic features of the hand in childhood are presented that are responsible for the types of certain injuries. On the basis of the data in the literature and of the authors' own experience of 92 cases the main points of the diagnosis and therapy of metacarpal and phalanx fractures are summarized. The possibility of finger-replantation is also mentioned. Their statements are illustrated by their own cases. In order to recognize late growth disturbances, the necessity of the follow up is emphasized.