The sector of hotel trade answers the principal criteria necessary for the installation of Yield Management or not storable not durable products (a room remained vacant does not generate any income). A process of reservation, to allow anticipating the request. A fixed or forced capacity, requiring the qualitative sorting of the surplus request, segmented customers which one will be able to analyze the behavior of purchase to build a forecast, an offer of differentiated tariff products allowing to better satisfy the request an increase in competition making necessary the combat for the share of market. Airline companies 70% to date use Yield management, it is probable that hotel industry is the sector of predilection for the development of this activity during the next decade. This because of the increasing number of establishments as well as theirs concentration around integrated or voluntary chains having a legitimate will to make profitable their investments and to better satisfy the needs for their customers.