The document includes the discussion of the access to medicines, it shows how there are millions of people who need essential medicines and have no access to them, and by the other hand, the industry maintains a continuous increase in its profits, and it shows how a contradiction is presented because the industries have prioritized research, development and production of the most profitable products, and not always the most needed products.It is argued that a public policy that seeks to promote access to medicines should be based on establishing lists of essential drugs and promotes rational use of them, also they should establish mechanisms of pricing and regulations that allow facing the imperfect naturedrug market.