Objective To investigate the passive smoking prevalence and its influencing factors among residents aged 15 and ol-der in Chongqing City ,and provide the evidence for the government to make tobacco control policy or improve the present tobacco control policy ,reduce the harm of secondhand smoke .Methods 753 non-smoker residents was investigated by using the multi-stage random sampling .Results The passive smoking rate of residents aged 15 and older in Chongqing city is 45 .95% ,among which ,the male′s is 43 .13% ,the female′s is 47 .45% ,there is no significant difference between gender distribution .There is a significant difference among different age groups(P<0 .05) ,the passive smoking rate of people aged 25 to 34 is the highest(55 .17% ) .There is a significant difference among different occupational groups (P<0 .05) ,the passive smoking rate of the people who engaged in commercial service is the highest(58 .01% ) .There is no significant difference among education level groups .About the non-smok-ers′attitudes to others smoking around ,the higher education level people have ,the more they will care about this ,the number of fe-male(87 .98% ) is significantly higher than male(70 .99% ) .Conclusion The harm of secondhand smoke to the residents aged 15 and older in Chongqing City is high ,so strengthening legislation and law enforcement is necessary to prevent the public exposure to secondhand smoke and reduce passive smoking level .

Objective To investigate the status quo of psychological pressure in female infertility patients so as to provide the basis for carrying out the psychological counseling aiming at these patients .Methods The random sampling was adopted and the questionnaire survey was conducted on 1 760 female infertility patients .Results The patients with psychological pressure accounted for 84 .43% of the investigated patients .The cases number of psychological pressure in the patients with in‐vitro‐fertilization and embryo transfer(IVF‐ET) treatment was significantly more than that in the patients with pregnancy‐guiding and artificial insemina‐tion (P<0 .01);the cases number of psychological pressure in the patients with higher educational degree was more than that in the patients with lower educational degree (P<0 .01);the cases number of psychological pressure in technicians ,teachers ,staffs ,cadres and civil servants was more than that in the workers ,farmers ,merchants and the people with the other occupations (P<0 .01);the cases number of psychological pressure in the patients with 2-5 year infertility was more than that in the patients with the other infertility years (P<0 .01);the cases number of psychological pressure in the patients with visiting doctors for twice or over was more than that in the patients with visiting doctors for the first time (P< 0 .01) .Conclusion The female infertility patients in Chongqing have large psychological pressure .The doctor should actively communicate with patients ,answer the patient doubt ,ease the patient emotion ,mobilize the patients′family and society to care the patients .