Diarrhea is a disease characterized by defecation more than 3 times a day. Based on data from the Cot Kuta puskesmas in 2017 there were 144 cases and in 2018 there were 150 cases. In 2018, there were 43 diarrhea cases in Lueng Baro village. This study aims to determine the incidence of diarrhea and the factors associated with the incidence of diarrhea in Lueng Baro Village, Suka Makmue District, Nagan Raya Regency. This type of research is analytic survey with Cross Sectional approach using univariate and bivariate analysis. The population in this study were all family heads in Gengong Loeng Baro as many as 358 families and the number of research samples were 78 respondents. The results showed that there is a relationship of clean and healthy life behavior and latrine ownership and the incidence of diarrhea. Suggestions, are expected to provide health education about diarrhea, also broaden insight and motivate people to behave clean and healthy, maintain the sanitation of food sanitation and the importance of having a toilet so that people do not defecate behind their homes or in streams and provide prevention of oral rehydration drugs or can also make your own with salt and sugar liquid, the method of manufacture is 1. provide one sugar tea alone (5 grams), 2. Provide a quarter teaspoon salt (1.2 grams), 3. 1 cup of warm water that has been cooked, 4 Mix sugar, salt in warm water, then stir until dissolved and evenly distributed, 5. Drunk when suffering from diarrhea to increase body fluids.