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In this paper, we propose an Event-Driven wireless Sensor Network Multi-Path routing protocol (EDWSNMP), which includes three parts: multi-path creation, data communication and route maintenance. In multi-path creation part, a Heuristic Local Gabriel Graph (HLGG) algorithm is proposed to do topology control. In data communication part, cluster header collects data of other nodes in the cluster and merges the data, and then it decides to use single-hop or multi-hop routing policy according to routing table. Route maintenance mainly includes responsible for power variation maintenance, power value maintenance and routing table maintenance.