The child psychoanalysis is presented here on the basis of the latest English version authorized by Alix Strachey and revised by her in collaboration with HA Thorney. He took as a basis the previous translation Aberastury that faith carefully collated and reviewed by the technical team of Editorial Paidós. We believe we are well frenta the definitive edition of this work, of prime importance to contemporary psychology, especially for the student of the early stages of the evolution of the individual and the depressive and paranoid positions, especially in their correlations with early stages of the Oedipus complex.