Abstract: Objective To study the menopausal age and its iufluencing factors among the women in Luzhou city,Sichuan province.Methods Through multi-stage stratified cluster random sampling method,1 800 women aged 30 to 70 years were selected and surveyed with a self-designed questionnaire.Results The average age of natural menopause was 48.98±3.68 years.Multivariate analyses showed that menopausal age was related with age of menarche,years of birth,number of delivery,body mass index,and calcium supplementation(R²=0.376),but not related with eating habits and living style.Conclusion The menopausal age in the women of Luzhou city showed a trend of being younger than before.Age at menarche,the number of childbirth,and body massindex were positively correlated with the age at menopause and calcium supplementation could delay the age at menopause.The relevant departments should strengthen the education on female reproductive health and women's nutrition.