The dissertation Home Toilet Model for Elderly People - An Ergonomic s Approach, proposes a model to guide the construction of residential bathrooms. Mainly presenting suggestions to adapt the average architecture of the residential bathrooms, this document wishes to contribute to the autonomy of the elderly users at the bathroom. The primarily objective of this study is help to educate elderly people, his relatives and doctors; as well as guide professionals that work in areas related to the civil construction by adding suggestions and guidelines at the construction code of the city of Rio de Janeiro . Interviews had been carried through, as much with aged, how much with doctor geriatrics, an aged focus group was organized, moreover, ergonomic appreciations in five similar bathrooms of one same building had been made, with comments and photographic registers in I lease, application of the Corlett method and questionnaires aiming at the survey of the profile. To the end a document was developed suggesting preliminary recommendations as solutions to stop of the joined problems. With the continuous increase of the population of aged in the country, it is important that writ of prevention the legislation and public politics are adopted through in order to offer to all the population an active oldness, as the Organization of United Nations suggests since 1982. This can only occurs, through offers of comfort and physical and psychological security to this segment of the population, as well as through the attendance to its specific necessities.