Resumo: O presente artigo e resultado de uma pesquisa bibliografica e descritiva onde visa descrever o câncer, suas causas que podem estar ligadas a fatores externos e internos, sua relacao com a psicossomatica, as consequencias da doenca no desenvolvimento psiquico. E o tratamento que descreve a importância da psicoterapia na melhora dos sintomas e a reestruturacao do paciente e de sua familia para que estes consigam passar pelo processo de adoecimento e tratamento da melhor forma possivel. Palavras-chave: Câncer, Câncer infantil, Transtornos psicossomaticos, Tratamento psicologico. Process in treatment of children psychotherapeutic oncological under the apex of psychosomatic* Abstract: This article is the result of a bibliographical research and descriptive where aims to describe the cancer, its causes that can be linked to external and internal factors, its relationship to literature, the consequences of the disease in psychic development. And the treatment that describes the importance of psychotherapy in the improvement of symptoms and the restructuring of the patient and his family so that they can go through the process of illness and treatment in the best possible way. Keywords: Cancer, Childhood cancer, Psychosomatic disorders, Psychological treatment.