This study developed a smartphone addiction prevention program for adolescents based on narrative therapy. Its purpose was to examine the effectiveness of the narrative therapy program, and the way adolescents change from the application of the narrative therapy counseling technique. The study was conducted over a total of 90minute 8sessions, and it consisted of 11 participants separated into a test group and a control group. To verify the effectiveness of the program, pretest and posttests were performed on the two groups. The results of the study were as follows. The test group showed a significant change in tolerance, in the disturbance of adaptive functions, and in withdrawal on the smartphone addiction proneness scale. Thus, narrative therapy enabled positive changes in adolescents