小三角理论是邢福义先生在语言研究领域提出的一个重要理论，它主要用于分析语法现象。包括语表形式、语里意义、语用价值三方面，小三角理论强调在语法研究中要综合考虑语言的形式、意义和用途，三者相互关联，共同构成语言现象的完整描述。这一理论对于理解和分析语言的复杂性提供了有力的工具，尤其在现代汉语研究中具有重要的应用价值。本文将对小三角理论进行综合概述，剖析其在学习汉语中、教学汉语中所发挥的实际作用。

The Small Triangle Theory is an important theory proposed by Mr. Xing Fuyi in the field of language research, which is mainly used to analyze grammatical phenomena. The Small Triangle Theory emphasizes the need to comprehensively consider the form, meaning, and purpose of language in grammar research, including the three aspects of linguistic form, meaning, and pragmatic value. These three aspects are interrelated and together form a complete description of language phenomena. This theory provides a powerful tool for understanding and analyzing the complexity of language, especially in the study of modern Chinese, and has important application value. This article will provide a comprehensive overview of the Small Triangle Theory and analyze its practical role in learning and teaching Chinese.