With the development course of molecular marker technique, we began with an overview of plant hybridization origin, then introduced several identification methods of hybridization species. Finally, introgression, genetic variation and recombination, gene flows, adaptive evolution, nature choice and reinforcement which caused by plant hybridization were summarized as well as their influences in the forming process of new species.%结合分子标记技术的发展历程,概述了植物的杂交起源,其次介绍了目前和过去鉴定杂交物种所使用的方法,综述了植物杂交所造成的基因渗入、遗传变异和重组、基因流、适应性进化、自然选择和"固化加强"作用及其在形成新物种过程中的作用和影响等.
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