Objective:To explore the effect of maternity blues on lactigenous and the bleeding after delivery Method:According to the results of SDS (self-rating depression scale, cut-off point=41), 309 parturients were divided into maternity blue group (n=126) and control group (n=183) Lactigenous index and the bleeding after delivery were recorded Result:Compared to control group, lactigenous in the maternity blue group was delayed, only 13 cases lactated with 24 hours of delivery, and only 9 had enough lactating with 72 hours of delivery Parturients with maternity blues had more bleeding after delivery than the control group Conclusion:Maternity blues had negative effects on lactigenous and the bleeding after delivery It is necessary to prevent maternity blues