Background: the self-regulating in adolescent’s smokers as prevention is one of the lines of the work team in the consultation of Ceasing Tobacco. Objective: to identify the incidence on the self-regulation to prevent the tobacco in adolescents. The investigation embraced one period from March 2017 to September 2018. Method: A descriptive study of traverse court was used. Registered to 31 students for sampling intentional non probabilistic, of an universe of 50 adolescent students. It was used empiric. Methods; Clinical histories, interviews structured and the questionnaire. Conclusion: The female sex prevailed, where 54,8 % between the 12 to 19 years of age. Results: The incidence the factors of risks that impact on the self-regulation to prevent the tobacco in adolescents are the group contagion with 54,7 %, family problems for a 29,0 % and situational depression with 16,1 %, where it is necessary the self-regulation that should have the adolescents in the life.