Background: Health aspects of the tribes in general and Irular tribe in particular were less studied. AIM: To study the health aspects of the Irular tribes. METHODS: 44 households were selected through census method from Devathanam pet and Poondhamalli village, Senji taluk, Villupuram dist, Tamilnadu. Results: Few (15%) felt anxious often, 18% had sleep related problems often and 66% were currently using alcohol and tobacco. Conclusion: Substance abuse is major public health concern among irulars.