Objective To assess the effect of simple mental intervention and mental plus telephone intervention on abstinence of smoking in male smokers.Methods Five hundred and four smokers who visited our smoking abstinence clinic for abstinence of smoking from October 2008 to December 2012 were divided into simple mental intervention group and mental plus telephone intervention group.Smokers in simple mental intervention group received face-to-face mental intervention by telephone follow-up in months 1,3 and 6 for 5...