During menstrual period, you can take Motherwort Granules, Shaobu (Little Abdomen) Blood Stasis Expelling Pills, and Ai Hui Warming the Palace Pills to promote blood circulation. Motherwort granules have the effect of activating blood and regulating menstruation (regulating menstruation by activating blood). It is used for irregular menstruation due to blood stasis, which is characterized by low menstrual flow. Shaohuayu Pill is effective in warming menstruation and activating blood circulation, dispersing cold and relieving pain (relieving pain by removing cold from the body). It is used for late menstruation and dysmenorrhea caused by cold condensation and blood stasis, with symptoms of postmenstrual dysmenorrhea, cold pain in the abdomen during menstruation, purplish menstrual blood and blood clots. Ai Fu Nuan Gong Pill can regulate Qi and nourish blood, warm the uterus and regulate menstruation. It is used for irregular menstruation and dysmenorrhea caused by blood deficiency and qi stagnation, deficiency and coldness in the lower jiao, symptoms include postmenstrual error, low menstrual flow, blood clots, pain in the abdomen, cold pain and heat in the abdomen during menstruation, soreness and pain in the waist and knees. Patients are advised to use the medicine under the guidance of a doctor.