It is very important at the time of giving life to the function of markets with its respective unit in the company, to take into account many aspects that favor to him in their profits, allowing that his plans, strategies reach their objectives, like in addition, is due to be constantly vigiligante of their behavior to evaluate their reach, limitations and to take step to the necessary transformations that they guarantee that the systems of established markets are the adapted ones to the requirements of the present commercial scenes. In this writing, we entered ourselves in to indicate some errors that commit and many of them not they have contributed them studious on the matter, like that they have pronounced in the exercise and that they are perceived like obstacles. Majorities, considerations, reach Is very important, that as much the general management, as the one of market well they are integrated with respect to which it is wanted to reach with the function of markets, especially in the present where the economic, commercial scenes are dynamic they present/display characteristic very special that they must be considered, be evaluated, taking into account its weaknesses, strengths, threats, but also its opportunities. The companies that participate in the present scenes must establish plans of action, strategies that guarantee to him that its participation benefits to them and give the opportunity them of in not only conquering markets, but to remain in them, to confront the challenges and to take step to the transformations, changes that them it efficiently assures operativity in his systems markets. They must be kind to evaluate which is the real reach of the demand of the product that offers, which are their characteristics, the competitive advantages of each. To know the behavior its consumers, its fidelity, as well as which is the segment of markets that him agrees to him more..