Complete convergence and strong convergence properties for extended negatively dependent (END)random sequences were investigated by means of the moment inequality for END random sequence and with the help of truncated method.We obtained three series theorem and some sufficient condition about complete convergence and strong complete convergence for END random sequences.%利用 END 随机序列矩不等式和截尾法，探讨 END 随机序列的完全收敛性和强收敛性。给出了其相应的三级数定理，并利用所得结论获得了其完全收敛性与强收敛性的一些充分条件。
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