It is generally not recommended to take Cynanchum during menstruation, but for patients with disintegration (excessive menstrual flow or dribbling), it can be used under the guidance of a traditional Chinese medicine practitioner to identify the symptoms. Cimicifuga belongs to the class of Chinese medicines to stop bleeding, bitter taste and cold nature, attributed to the liver meridian, has the effect of cooling the blood, stopping bleeding, menstruation, eliminating blood stasis; for normal menstruation of women, it is not recommended to blindly use Cimicifuga because of the cold nature of the medicine, to avoid causing the cold stagnation of the uterus and the emergence of menstrual cramps, dysmenorrhea, reduced menstrual flow and other adverse reactions. However, for menstruating women who have symptoms such as dribbling of menstrual blood, menstrual blood lasting for several days or tens of days, for leakage of menstruation, they can use Cynanchum under the guidance of traditional Chinese medicine practitioners to identify the symptoms. Cynanchum can also be used in the treatment of vomiting blood, epistaxis, stasis and menstrual closure, bruises and injuries, etc. It is not recommended for pregnant women. Pregnant women should not use Cynanchum; when using Cynanchum, do not eat cold and greasy food; if there are adverse reactions such as abdominal pain and diarrhea after use, the medicine can be stopped. Menstruating women need to use Cynanchum under the guidance of traditional Chinese medicine practitioners, do not use blindly.