A data collection method is proposed to support hybrid sink mode in wireless sensor networks where static and mobile sinks coexist.One or more mobile sinks cooperate with the static sinks to broadcast status update periodically only to a subset of sensor adjacent nodes,Then,the sensor nodes send or transmit data packets to the nearest sink in hop counts.The correct data transmission between the mobile sinks and the last hop sensor node is guaranteed by using ACK-RETRANSMIT method.Simulation result shows that the network lifetime has been improved with the increase of the number of mobile sinks.When the ratio of the mobile sinks to the sensor nodes is above 7.5%,more than 600% lifetime improvement can be achieved.When the load of network is high,the maximum success rate of data transmission reaches to 91%,which has increased by 8.3 times as compared with that of the network in only one static sink,meanwhile,data transmission delay remains at a low level.