Tribals are the poorest socioeconomic groups in the country, according to many studies. Health service accessibility dominates tribal health discourse. The majority of tribal people suffer from fever, cold and cough, acid reflux, osteoarthritis, skin diseases, hypertension, and diabetes. Tribal populations have rarely been studied for prevalence.Aim:: This study aims to determine the prevalence of disease among tribal populations in Kothimangalam village in Tamil Nadu. Objective: To find out how life is in Kothimangalam village, Tamilnadu, and what diseases they have. Materials And Method: The study was based on cross-sectional data collected from 104 families in the village of Kothimangalam. The information is collected through the use of a questionnaire interview. Result: An investigation of the prevalence of disease among tribes in Kothimangalam village Tamil nadu was conducted. Fever (16%), cough (23%), osteoarthritis (37%), skin disease (15%), acid peptic disease (7%) vomiting (2%) diabetes (2%) Hypertension (0.7%). There is a need to take steps to reduce the burden rate of disease by educating them with proper care through contacting health awareness program, medical camps, the development of local health service and community health schemes An effort should be made to reduce the burden rate of disease