目前,吸烟者呼气中的一氧化碳(CO)及尼古丁代谢产物可的宁是用于评价戒烟效果的主要生物学指标。就此我们探讨呼气中CO浓度和尿可的宁浓度与吸烟量的关系,以期为戒烟提供生物学指标参考。对象与方法采用自制的一般情况及吸烟量调查表,对符合美国精神障碍诊断与统计手册第4版中 At present, smoker’s exhaled carbon monoxide (CO) and nicotine metabolite cortinine are the main biological indicators used to evaluate smoking cessation. In this connection, we explore the CO concentration in exhaled and urinary cinnabarin concentrations and the relationship between smoking, in order to provide a biological indicator of smoking cessation reference. Subjects and methods of self-made general situation and the amount of smoking survey, in line with the United States psychiatric diagnosis and statistics manual version 4