Preface
With the development of industry, air pollution is serious and respiratory diseases are increasing day by day, so it is necessary for hospitals to set up respiratory department. Respiratory diseases are mainly divided into the following categories: pulmonary infection, pulmonary manifestations of systemic diseases, diffuse pulmonary diseases, chronic obstructive pulmonary diseases and asthma, pulmonary circulation diseases, disorders of ventilation regulation, rare pulmonary diseases, acute respiratory distress syndrome, mechanical ventilation and respiratory monitoring, lung cancer, etc.
This book first summarizes the basic theory and diagnosis of respiratory medicine and respiratory diseases, and then dialectically diagnoses and treats the above respiratory diseases. The contents of the book are comprehensive, rich and practical, which is instructive and can be used as a reference for medical staff, especially respiratory professionals.
As this book covers a lot of contents and involves a lot of knowledge, the format, depth and breadth of the contents of each chapter may not be the same, and fallacies are inevitable. Readers are welcome to criticize and correct it.

前 言
随着工业的发展，空气污染严重，呼吸道疾病日益增多，所以医院设立呼吸内科是非常有必要的，呼吸系统疾病主要分以下几种、肺部感染、全身疾病的肺部表现、弥漫性肺部疾病、慢性阻塞性肺疾病和哮喘、肺循环疾病、通气调节功能障碍性疾病、少见肺部疾病、急性呼吸窘迫综合征、机械通气和呼吸监护、肺癌等。
本书首先对呼吸内科以及呼吸系统疾病的基础理论与诊断进行概述，然后分别对以上呼吸系统疾病进行辩证诊断与论治。全书内容全面、丰富、实用，很有指导意义、可供广大医务人员，尤其呼吸专业人员参考。
由于本书包罗内容较多，涉及知识较烦琐，各章节内容的格式、深度和广度可能并不一致，且谬误无可避免，敬请广大读者批评指正。