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The neural networks contain lots of neurons.Neuron discharging plays an important role in information coding and transferring in population of neurons[1,2].Usually, the neurons in the rest state could become active and discharge under the appropriate external stimulate current[3].The change of the external stimulate current will influence greatly the spatiotemporal behaviours of neurons networks.To study the effect of external stimulate current on the dynamics of sptiotemporal patterns might contribute to probe the mechanism of information transmission in neural system.