Objective · To investigate the intention of quitting smoking and influencing factors among husbands in gestational households in Shanghai and provide a scientific basis for establishing smoking cessation strategies. Methods · Pregnant women and their spouses who received antenatal examination in 5 hospitals in Shanghai were asked to finish two versions of questionnaires respectively. Basic demographic information, smoking history, history of smoking cessation and intention of quitting smoking were investigated. The database was set up by EpiData 3.1, and data were analyzed by SPSS 22.0, such as descriptive analysis, χ2 test (univariate), and Logistic regression analysis (multivariate). Results · A total of 282 questionnaires were sent to smoking husbands and 266 effective questionnaires got back with the effective rate of 94.3%. Among them 34.2% smoking husbands had intention of quitting smoking, 18.4% were trying to quit, and 22.9% had tried to quit before. Single-factor analysis showed that influencing factors for intention of quitting smoking among smoking husbands in gestational households included the daily cigarette consumption, overall opinion for smoking, the knowledge about the harm of passive smoking to pregnant women and fetuses, having smoking cessation experience or not, how many people smoking among five intimate friends except family members (P<0.05). Multivariate Logistic regression analysis showed that intention of quitting smoking had relationship with the daily cigarette consumption (OR = 0.456, 95% CI: 0.245～0.852), overall opinion for smoking(OR=2.443, 95% CI: 1.008～5.921), having smoking cessation experience or not (OR =0.316, 95% CI: 0.162～0.616). Conclusion · Intention of quitting smoking is relatively strong in gestational households. It is recommended to strengthen the education of tobacco control for smoking husband in gestational households, and encourage smokers who had smoking cessation experience before to quit smoking again.