This study is to investigate the effect of the pet insect therapy. The pet insect program was provided with 7session from May 2014 to July 2014. The measures used in this study includes self-esteem scale, social competence scale and stress scale. For analyses, t-tests with pre-test and post-test scores of experimental group and control group by SPSS 18.0. Regarding the results insect group who participated in the pet insect program showed higher mean scores in Self-Esteem scale, Social Competence Scale and stress Scale than those of control group. Mean score differences were statistically significant in at least p<0.01 level. The study results means that the pet insect program had effects on the improvement of Self-Esteem, Social Competence and reduce stress for elementary school children.