The invention discloses a method for recognizing and analyzing the positions of multi-source heterogeneous power distribution network switches. The method comprises the steps that 1, the switches in apower distribution network are adopted as nodes to set up a radiation mesh-shaped topological structure model; 2, power data of the switches is collected and monitored in real time; 3, the power of the switches is calculated and analyzed, and the positions of the switches are judged according to the result of calculation and analysis. When the method is used for determining the current topological structure, searches for an upper branch and a lower branch of the nodes, the topological structure is determined according to the change condition of measurement of the related nodes on the branches, thus, the influence of wrong measurement on topological structure determining is removed, and a new thought is provided for misidentification in a line loss computation system.