所谓呼吸困难，是指呼吸时主观感到呼吸费力，客观上表现为呼吸次数、深度或节律改变，甚至出现其他相应表现。呼吸困难与多种因素有关，本文主要概述其西医临床和中药治疗。1呼吸困难的轻重程度呼吸困难一般分为轻度、中度、重度和极重度四型。轻度：能与同龄人一样走路，只在 The so-called dyspnea, refers to the breathing subjective feeling of respiratory effort, the objective performance of the respiratory rate, depth or rhythm changes, and even other corresponding performance. Breathing difficulties and a variety of factors, this article mainly describes its Western clinical and traditional Chinese medicine treatment. 1 severity of dyspnea Dyspnea generally divided into mild, moderate, severe and very severe four types. Mild: to walk with their peers, only in