Smoking is an act of waste and waste on property. The purpose of this study were to described: 1) smoking habits of students before giving Rational Emotive therapy? ; 2) student smoking habits after giving Rational Emotive therapy ?; and 3) the effectiveness of Rational Emotive counseling therapy in reducing students' smoking habits. This research was used pre test & post test design. The population in this research were all class X students of SMAN 3 Pekanbaru who had smoking habits with totaling 32 students.