This study aims to evaluate the validity and reliability of the Rational Emotional Behavioral Therapy Counseling Module (REBTGCM) for adolescent smokers. REBTGCM was developed for adolescent smokers aged 18 to 25 years old using the Sidek Development Model, REBT application, and multiple psycho-educational approaches. For the REBTGCM validation procedure, eight professional panelists were chosen. Thirty adolescent smokers from a Skills Education Institution in Perak took part in the reliability procedure. The findings indicate that the content validity of REBTGCM is .86, and its overall reliability is .95, as measured by Cronbach's Alpha. Based on these findings, REBTGCM is a novel discovery that can be applied in counseling services to assist adolescents with smoking behavior problems.