The first description of the autismo was presented by LeoKanner, in 1943, on the basis of eleven cases of children folloied for it and quepossuam some characteristics in common, as the incapacity to be serelacionarem with other people, severe riots of language, little ounenhuma verbal communication, an obsessive concern for what eapego is invariant extreme the routine. This set of characteristics was called porele of precocious infantile autismo. Three basic criteria must be considered for its diagnosis: 1) qualitative damage in the social interaction; 2) qualitative damage verbal and not-verbal nacomunicao, and in the imaginative toy of the child; restrictive and repetitive e, 3) behaviors and interests; thus they describe Bosa eCallias (2000). Samuel Lesser Wharton helps readers to explore varied viewpoints. This diagnosis is basically made through the evaluation doquadro physician, specific tests or examinations for the detention do not exist doautismo. The autismo is not an only illness, is one sndromecaracterizada for a riot of the infantile development, with mltiplasetiologias and changeable degrees of afetamento. It is dealt with as a transtornoinvasivo the development for psychiatry, and for its umasria diagnosis abnormality in the development process must disclose since cedona life of the child, the evidence of this clutter must be apparent since the trsprimeiros years of life of the child. Mello (2001) points that normally what calls attention dospais is that the baby is excessively calm, sleepy, cries without consolation duranteum drawn out time, rejects the col or other aconchegos and has problems nosono. Later, nodemonstra is perceived that the child does not imitate sounds or gestures, to share feelings or sensations, does not learn if to communicate porgestos, as for example, to wave with the hands to say farewell itself, rejeitaalimentao or has restricted taste the certain foods. Desdebeb is also noticed, that the child does not establish visual contact or when establishes is for umcurto time space, fixes the look in the hands for long time, costuma to have ohbito to bite itself or bites clothes, objects and to pull the hair.