本文介绍了当代语言类型学的方法论特点。具体地说,蕴涵共性极大地扩大了共性研究的范围,为功能解释提供了坚实的基础,其表达形式四缺一格局是两个因素互动的普遍模式。文章认为当代语言类型学在形式描写方面有所创新,因而是高度形式化的一个功能学派。 This article introduces the methodology features of contemporary language typology. Specifically, implication commonality greatly expands the scope of commonality studies and provides a solid foundation for functional explanation. The four missing forms of its expression are the universal modes of interaction between the two factors. The article argues that contemporary typology of languages ​​has made some innovations in the description of forms and thus is a highly formalized functional school.