运用排列熵算法分析了离散混沌系统产生的混沌序列和混沌伪随机序列的复杂性，讨论了混沌系统参数对序列复杂性的影响情况。(Permutation entropy algorithm is used to calculate the discrete chaotic system produced by the complexity of chaotic sequence and chaotic pseudo-random sequence, discussed the effect of parameters on the complexity of sequences in the chaotic systems.)