The Covid-19 crisis provide us to know the importance of a powerful Health sector, with all the it actors of development which have motivated the appearance of certain medicines that have a role at healing the intensity of the virus. Economically talking, this dilemma confuses the companies producers on how being competitive compared to the concurrence, the price strategy isn't a decisive instrument because of country policies decisions, The main actions have to be articulating on making a good composition of the product in which insure the healing impact with a high percentage, so that make it known by the ecosystem (Hospitals, clinics, pharmacies, wholesalers, and Population...), to well make this, a strong marketing model have to be established and well communicated, even if we are not sure of it effectively in the real business environment. Can the company make it own KAM (Key account managers) assures a convicing communication to introduce the product and involve costumers to make orders? what roles can key opinion leaders (KOL) plays in recommending the product of a specific company? and why?