With assistance to the community, both in the form of livestock and infrastructure, it can improve economic levels through additional income from the livestock they manage. With the main function of agricultural extension officers, characteristics of the suitability of assistance received are expected to be a guideline for the Palopo City government. This research was conducted with descriptive quantitative explanatory techniques, and then the data collected using a questionnaire was processed using Excel Microsoft and processed using variant-based statistical analysis, namely SEM PLS. The results of this study with SEM analysis found that the group of breeders who received assistance from the Palopo City government showed the influence of agricultural extension officers on the effectiveness of the sustainability of the economic impact of the results obtained by 16.8%, the influence of aid characteristics on the effectiveness of the sustainability of the economic impact of the results obtained by 5%, the influence of group dynamics on the effectiveness of the sustainability of the economic impact of the results obtained by 84.4%, while the overall influence of variables on the effectiveness of the sustainability of the economic impact of the results obtained by 90.2%.