Patients who have low menstrual flow can take saffron in moderation. Saffron has the function of activating blood circulation and removing blood stasis, moving Qi and regulating menstruation. Taking saffron in moderate amount may be helpful to improve the low menstrual flow. However, if saffron is taken and does not play a role in regulating menstruation, it is recommended not to take too much or too much, and it is recommended to go to the hospital for examination as soon as possible. There are many causes of low menstrual flow. If you want to take medication of herbal nature for treatment, you need to ask a professional TCM doctor to identify the symptoms and then use the right medication. If a patient has a low menstrual flow and does not want to be treated by TCM, but wants to be treated by Western medicine, he/she needs to go to the hospital as soon as possible to check ultrasound, sex hormone six, monitor basal body temperature, etc. to further clarify what causes the low menstrual flow, and then treat the symptoms.