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粉尘性支气管炎在职业性肺部疾病中占有重要地位、并于1971年列入了职业病名单。 粉尘性支气管炎的损害有其特殊的病变过程,诊断慢性粉尘性支气管炎必须有长期的生产性粉尘接触史和既往病史。根据该病的严重程度分为三期:
Dust bronchitis occupies an important place in occupational lung disease and was included in the list of occupational diseases in 1971. Dust bronchitis damage has its own special lesion, the diagnosis of chronic dust bronchitis must have long-term productive dust exposure history and past medical history. According to the severity of the disease is divided into three phases: