s Ad works have sprung up everywhere. However, due to the work sharing and openness, network security will e an important research topic in the field working and munications.РThis paper studies the wireless Ad work security technology, first introduced to the origin of the Ad work, the status quo, and its architecture work protocols, routing protocol contrast AODV and DSR algorithm, to discuss a way to increase the security of multipath routing algorithm bination of simulation software, verify multi-path routing algorithms can provide the optimal path to ensure that the routing information is distributed more evenly and can reduce packet interception rate, and thus provide a more secure munication environment for wireless Ad work.РKey words: Ad Hoc; Network; Security Node; Routing Protocol