How many days to stop bleeding by taking Uterine Hematoxylin is related to the severity of the disease, the cause of the disease, as well as the patient’s physical condition, sensitivity to drugs and other factors, and needs to be analyzed on a case-by-case basis. In general, mild patients may take 3-5 days to achieve the effect of bleeding, more serious patients may need to take 5-8 days. Uterine Blood Ning is a kind of proprietary Chinese medicine, which has the efficacy of cooling blood, stopping bleeding, resolving blood stasis and clearing heat, and is effective in treating postpartum stagnation of qi and blood, dyspareunia bleeding, excessive menstrual flow, and bleeding after abortion. This medicine can significantly stop bleeding in patients with functional uterine bleeding by taking the medicine for about 3 days. For patients with long periods, the medicine may be taken for 5-8 days to stop bleeding, and generally will not affect the next menstruation. However, when the patient is accompanied by endocrine disorders and other conditions, it may affect the next menstruation. Although the harm to the body is relatively small, some patients may experience nausea, dizziness, vomiting and other uncomfortable symptoms during the period of taking the drug. If the discomfort symptoms are more obvious, it is recommended to stop taking the medicine in time, and then go to the gynecology department of the regular hospital for consultation.