控制结核病流行以发现和控制传染源为主,痰涂片AFB(acid-fast bacilli)阳性的肺结核患者是结核病的主要传染源,痰涂片镜检是所有实验室方法中最具成本效益的技术,因其操作简便,价格低廉,快速,数小时可报告结果,是发现和确定传染、提示疾病严重程度的途径;是考核和评价疗效的重 Controlling the prevalence of tuberculosis to find and control the source of infection is the major source of TB infection in sputum smear-positive acid-fast bacilli (TBB) patients. Sputum smear microscopy is the most cost-effective technique in all laboratory methods , Because of its simple operation, low price, fast, hours can be reported results, is to find and determine the infection, suggesting that the severity of the disease approach is to assess and evaluate the effect of weight