Menstruation has passed but stomach pain with blood considerations related to gynecological inflammation, polyps, ovulation bleeding and other factors. 1. Gynecological inflammation: If a woman has increased leukorrhea, vulvar itching and other discomforts, she should be alert to the occurrence of vaginitis, pelvic inflammation and other gynecological inflammation, due to the stimulation of inflammatory factors, which in turn will lead to tissue congestion and edema, increased capillary permeability, and therefore stomach pain, blood and other manifestations. 2. Polyps: for women with endometrial polyps or cervical polyps, irregular vaginal bleeding is the main clinical manifestation, while the stimulation of localized occupying lesions, some women will have abdominal pain and other discomforts. 3. Ovulation bleeding: Due to the change of female estrogen level during ovulation, some women will have a small amount of vaginal bleeding, abdominal pain, jelly-like leukorrhea and other clinical manifestations, usually occurring about 14 days before the next menstrual period. For women who have passed their periods but have blood in their stomachs, it is recommended that they go to the gynecology department of a regular hospital, complete the examination of leukorrhea, ultrasound and other related tests, and then take active treatment under the guidance of the doctor after clarifying the cause of the disease.