本文从语言习得的角度出发,探讨了任务型教学的理念、原则和途径。以对外汉语教学为例,讨论了设计任务时要考虑的几个要素:以真实、必需的语言交流为纲;以日常生活内容为题材;以意义理解和语言运用为基础;以双向互动为方式;强调“做中学”;学习任务有明确的目的和结果。并举例说明了如何设计不同的语言环境,以使语言形式、内容与功能自然地联系在一起,帮助学习者表达得清楚准确,恰当得体。 This article discusses the concept, principle and approach of task-based teaching from the perspective of language acquisition. Take the teaching of Chinese as an example, we discuss several elements to be considered when designing a task: taking the real and necessary language communication as the key link; taking the content of daily life as the theme; using the meaning comprehension and the language as the basis; ; Emphasize “learning by doing ” learning tasks have a clear purpose and result. And gives an example of how to design different language environments so that language forms, contents and functions are naturally linked together to help learners articulate clearly and correctly.