This is a observation non-randomized control trial, and a follow-up study on the smoking cessation.~To study the intervention methods of smoking cessation in a general hospital and to evaluate their effects. Four methods of specialist intervention of smoking cessation clinic, short-time intervention in out patients, free medical intervention and group intervention were adopted for different smokers, with health counseling, psychological intervention and drug treatment. The intervention effect was evaluated by standard methods.~The whole project will last for 10 years in total, from Oct.2008 to Dec.2018. During the running, each quitter received follow-up at 1 week, 1, 3, 6 months and 1, 2 years using a detailed questionnaire by telephone interview, an expected average of 2 years.
This is a observation non-randomized control trial, and a follow-up study on the smoking cessation.