The implementation of the interior decoration and finishing of the house must be restricted by the plans of the interior designer prepared in a precise manner the presence of the interior designer and the need to ensure the implementation of decoration and finishing properly. And the lack of errors in the implementation and finishing of decoration. The interior designer is the one who sets out the outlines of the implementers and draws the features of the place from all the details of the decor and prepares them for inventory tables containing the finer materials that are executed in the home decoration and finishing. The presence of the interior designer and the necessity of ensuring the implementation of decor villas, houses and buildings in general.