The purpose of this study was to evaluate the effectiveness of solution-based counseling to increase students' self-conception. Method of research was semi-experimental with pretest and posttest design with a control group. The study sample consisted of all high school students in Dashtestan city, Bushkan district for which 30 subjects were randomly selected and were replaced in the experimental and control groups. The experimental group received 30 sessions of solution-based group counseling. To collect data, the questionnaire of self-perception was used. Data were analyzed by covariance test. The results showed that solution-based group counseling increased students' self-perception and its components such as self-esteem and self-admission.