Objective:To explore the correalation of sexual in tercourse with breast diseases.Methods:Sexual intercourse information was inquired of 946 women at random in routine counseling after general gynecological disease survey.Results:Good or medicore status of sexual intercourse comprised 83.5%,while good status of sexuality with good economic condition accounted for 55.6%.The prevalence rate of breast diseases in patients with bad status of sexuality accounted for 40.9%,which was rather high.Conclusion:Strenthening the premarital guidance in sexual health is beneficial to marriage quality and breast health.