Brown menstruation is related to the low amount of menstrual flow, insufficient qi and blood, cold, cold, inflammation in the uterine cavity and other conditions can also appear brown menstruation. Normal menstruation is dark red. In the early period just after menstruation or when menstruation is about to end, the bleeding volume is low, the menstrual blood cannot be discharged in time, and it is normal for the hemoglobin in the blood to be oxidized and the menstrual blood tends to appear brown. If there are other uncomfortable symptoms, such as dysmenorrhea, chills in the limbs, dizziness, and weakness, it is recommended to consult a doctor promptly. In the presence of endometritis, the endometrial inflammation causes the endometrium to fail to peel off and discharge quickly, while mixed with pathogenic bacteria also prone to menstrual blood odor, it is advisable to take anti-inflammatory drugs for treatment.