The goal of this study was to compare impulsivity and emotional lability in college student with ADHD symptoms with and without pornography and students without ADHD with pornography and normal people. The method was ex-post facto, cross-sectional design. The statistical population consisted of students from national universities in Tehran with and without ADHD with and without pornography and normal people. The research sample was 500 students who were selected on the bases of cutoff scores in 4 groups of 125 people: 1) with ADHD with pornography, 2) with ADHD without pornography, 3) without ADHD with pornography 4) normal group. To collect data, the World Health Organization ADHD Adult scales, Problematic Use of Pornography, Impulsivity, and Emotional Lability were used. Research data were analyzed through univariate and multivariate analysis of variance test. The results showed impulsivity and emotional lability in the group 1 is significantly higher than the group 2, also the groups 3 are more than group 4. It can be concluded impulsivity and emotional lability have important clinical implications in psychopathology, prevention and treatment of ADHD and pornography. Also, it is possible to reduce their impulsiveness and emotional lability.