After the ultrasound examination after abortion, the uterus returns to normal, but there is still vaginal bleeding, often due to the following reasons: 1, due to consuming too much of a certain kind of food in daily life, such as eating ginseng, antler velvet, gelatin, red dates, or drinking wine, which may lead to prolongation of the vaginal bleeding time. 2, due to infections, when there is an infection, not only manifested in the vaginal bleeding, but also pain in the lower abdomen or bleeding with a bad smell, indicating that the infection is caused by bleeding. When there is an infection, not only does it show up as vaginal bleeding, but there is also pain in the lower abdomen or the bleeding has a bad odor, which indicates that it is caused by infection, and it is recommended that anti-inflammatory treatment be given to stop the bleeding in a timely manner. In addition, it is also recommended to take a good rest after the abortion, if the rest is not good, it may also cause the prolongation of vaginal bleeding.