Objective Phylogenetic tree analysis is an important tool in bioinformatics research.However, the most accurate methods are too computationally intensive to be used in large sequence data.

• 摘要目的进化树分析是生物信息学研究的重要工具，但是目前结果比较精确的进化树方法计算量都很大，无法在大样本数据中直接应用。