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Mobile P2P network is topology dynamic, mobile nodes resource limited, network resources shortage, so how to choose appropriate data dissemination strategies effectively and increase mobile nodes' cooperation is a challenging task to reduce network delay, save bandwidth and prevent congestion. But some mobile nodes have to provide resources for a large part of the network and thus deplete their batteries very quickly, it is important that the strategy of cooperative energy-aware data dissemination balances the energy consumption among all nodes. In this paper, we analyze the features of gossip routing, and present an energy-aware cooperative data dissemination strategy (ECDD), which is the lightweight energy-aware data dissemination strategy based on push and pull. Analyses and simulations show that ECDD saves node's energy and promotes the mobile nodes' cooperation.