二十世纪以来研究发现,吸烟是心血管病、癌症和高血压等疾病发生的重要危险因素。戒烟可以减少发病率,可延长寿命。然而,近期的研究表明,自发的戒烟效果并不理想[1]。Hughes等[2]系统综述了13项随机对照试验,研究未经治疗的吸烟禁欲时间,以及自发戒烟的复吸率,发现有吸烟习惯者在无干预下,多数尝试过戒烟但复吸率很高,戒烟6个月以上的仅占3%~5%。建议在戒烟开始的第1周加强干预,能够提 Since the twentieth century, studies have found that smoking is an important risk factor for diseases such as cardiovascular diseases, cancer and hypertension. Quitting smoking can reduce morbidity and prolong life. However, recent studies have shown that spontaneous smoking cessation is less than ideal [1]. Hughes et al [2] systematically reviewed 13 randomized controlled trials to study untreated smoking abstinence time, as well as the rate of spontaneous quitting smoking and found that smoking habit without intervention, most tried to quit smoking but the rate of relapse is very High, quit smoking for more than 6 months accounted for only 3% to 5%. It is advisable to step up interventions during the first week of quitting smoking