Menstrual period refers to menstruation, the menstrual blood is black in color and in small amount, it may need to be treated with antibiotic drugs, cervical dilatation treatment and hysteroscopy treatment under the guidance of doctor. 1. Antibiotic drug treatment: When female patients have black menstrual period with low volume caused by infection in the uterine cavity, they can be treated with antibiotic drugs such as injection of amitranam, gatifloxacin injection, tinidazole injection, etc. under the guidance of obstetricians and gynecologists. 2. Cervical dilatation treatment: if female patients have cervical adhesion caused by low black amount of menstrual period, cervical dilatation treatment is generally available. 3. Hysteroscopic treatment: female patients with conditions caused by cervical adhesions can be treated with minimally invasive surgical separation under hysteroscopy. If you have a black menstrual period, you need to go to a regular hospital to identify the specific cause of the disease, according to the cause of the disease under the guidance of the doctor’s treatment, do not blindly take their own medication.