The diseases caused by intestinal protozoa pathogens cause high morbidity, not of high mortality. They spread easily by transmission consuming water or food contaminated with fecal material from infected animals or human beings. The distribution of these intestinal protozoa is huge in all the national territory, but its prevalence is unknown. Therefore, is very important incentive the health autorities to keep actualized information of the prevalence of the Entamoeba histolytica and Giardia duodenalis. Furthermore try to diagnose and confirm the presence of any other etiological agents as coccidias, microsporidias and mixosporidias. These previous one transmitted via fish. Therefore, it’s very important to implement adecuate ways to prevent and control, taking into account the real situation of each state of the country.