A partir de un caso clínico,articulado a los textos de Freud y Lacan intentamos responder a la pregunta ¿que función tiene la familia en la constitución subjetiva. Palabras clave Familia, Constitución Subjetiva, Clinica con niños ABSTRACT FAMILY HELPLESSNESS IN CHILDHOOD From a clinical case, articulated to the texts of Freud and Lacan we try to answer the question: what role does the family have in the subjective constitution. Key words Family, Subjective Constitution, Clinic, with children