The invention provides a distributed cooperative interaction method based on a complete communication topology matrix for an active power distribution network. The distributed cooperative interaction method based on the complete communication topology matrix for the active power distribution network comprises the following steps that the complete communication topology matrix is determined, and control nodes in the complete communication topology matrix are ranked; the completeness of the complete communication topology matrix is verified; redundant extension is conducted on the complete communication topology matrix. According to the distributed cooperative interaction method based on the complete communication topology matrix for the active power distribution network, by designing the condition meeting the sequence completeness requirement and the complete active power distribution network distributed multi-stage communication topology matrix based on the N-n rule, cooperative interaction of the multiple control nodes in the active power distribution network is achieved, the active power distributed network layered control requirements adapted to multiple-stage distributed power supply access are met, and future application prospects are guaranteed.