During the study in the anti-salt dam area in Bignona, we noted that malaria was mesoendemic (IP = 45.2%), with a high transmission during the rainy season. Prevalence rate of schistosomiasis was low. Intestinal parasites were frequent (74.4%). It is to be feared with the putting salt out, the prevalence rate of the parasitic diseases would increase, so it is important to create an unity of follow up.