To solve the operation guidance problem of distribution network loop closing, a hybrid aided decision-making algorithm of distribution network loop closing based on priority is proposed. First, the indices to be considered for all measures are determined, and these indices are sorted and quantified by importance. Secondly, the scale values of each measure under each index are judged, and the priority value of each measure is calculated to determine the priority of these measures. Finally, the specific adjustment plan of each measure is determined according to the priority and the formulated target, and then hybrid aided decision-making of loop closing is obtained. This algorithm can adjust the indices and the adjustment plan according to the actual situation of the distribution network, such that the specific adjustment plan and decision-making judgment of the loop closing can be obtained. The algorithm is implemented by programming on the developed distribution network loop closing simulation running platform, and the feasibility of the method is tested and verified on a city distribution network. This work is supported by Tianjin Science and Technology Program (No. 18ZXYENC00100) and Science and Technology Project of State Grid Chongqing Electric Power Company (No. SGTYHT/17-JS-199).