Background: Risk-taking and problematic behaviors is concern of parents, psychologists, schools, polices and social institutes. Cost caused by these dangerous behaviors is too heavy and irreversible. On the other hand researches indicate increase in dangerous behaviors in adolescence period. All these factors have leaded researcher’s attention to the protecting factors against dangerous behaviors and have increased their focus in adolescence period. Thus, this paper has been done with intention of determining the relationship between, the protecting factor, parental monitoring with risk-taking in adolescences.

Results: Results showed that there is a Negative significant relationship between parental monitoring (parents and adolescence form) with risk-taking. The boys and girls participants didn’t have a significant difference in risk-taking but in subscales such as using drugs, drinking alcohol and sexual relationship, boys reported higher average.

Conclusion :All in all results of this paper showed that parental monitoring factor which its protective effect in variety of foreign studies and so few native ones has been proven, can be effective in decreasing and preventing dangerous behaviors.