咳嗽是呼吸器疾病中最多的主诉之一。去年，在北美发表的关于咳嗽的统一报道中指出，慢性持续性咳嗽被定义为持续３～８周以上，原因不明的咳嗽，其病因不是单一的。本文以日常诊疗中经常遇到的慢性咳嗽的诊断和治疗为中心做一概述。１．鼻窦炎气管炎综合征　咳嗽不仅起因于下 Coughing is one of the most common complaints of respiratory disease. Last year, a uniform report on cough published in North America pointed out that chronic persistent cough is defined as an unexplained cough lasting more than 3 to 8 weeks and its etiology is not single. This article focuses on the diagnosis and treatment of chronic cough, which is often encountered in daily practice. 1. Sinusitis Bronchitis syndrome cough not only from the next