阐述PDCA循环理论的概念和内涵，概述我国现阶段PDCA循环理论在儿童支气管哮喘中的应用效果，分析应用过程中存在的问题并探究未来研究方向，为今后的PDCA循环理论在儿童支气管哮喘护理工作中的应用提供参考。

This paper expounds the concept and connotation of PDCA cycle theory, summarizes the application effect of PDCA cycle theory in children''s asthma at present, analyzes the problems existing in the application process and explores the future research direction, so as to provide reference for the application of PDCA cycle theory in children''s asthma nursing work in the future.