Abstract This article deals with the relationship and influence of information and opinion journalism in the formation of public opinion, taking into account that each gender has different characteristics and functions. Opinion leaders located in the field of opinion journalism, have a greater influence on people more than traditional journalism. However, opinion journalism serves as a way to open the public debate, its function can be a double-edged sword, considering that these opinion leaders configured, lately, the molds of citizenship thinking, due citizens build their information based on what these media leaders think. In this sense, the following lines reflect on the need to be informed before seeking the opinion of others, to understand that information journalism must precede the opinion journalism in the information dynamics of people and, above all, recognize that in a country like Colombia there is much to report and explain.