The invention discloses a method for applying a Bakri uterus packing balloon catheter with vagina gauze packing. The method comprises the following steps that 1, gauze is adopted for disinfection for use; 2, cesarean delivery normal operation is performed; 3, the balloon end of the Bakri uterus packing balloon catheter is placed into a uterine cavity, and the other end of the Bakri uterus packing balloon catheter is fed into a vagina; 4, one hand is used for fixing a uterus body, the other hand is used for packing the uterine cavity with gauze, gauze packing is performed starting from the bottom of the uterus, a uterus incision is sewn; 5, the balloon is filled with normal saline, and the position of the balloon is determined ultrasonically. The method is convenient to implement, rapid, effective and capable of safely controlling postpartum hemorrhage, the uterus balloon can be effectively prevented from slipping, the effect of compressing the lower section of the uterus is achieved, the effect of enhancing the uterine cavity packing compression hemostasis through the Bakri uterus packing balloon catheter is achieved, cesarean operation and postopartum hemorrhage are controlled, the postpartum hemorrhage occurrence rate is effectively decreased, the pregnant and lying-in woman death rate is decreased, and pregnant and lying-in woman puerperal safety is ensured.