According to Chinese medicine, abdominal pain during menstruation accompanied by low menstrual flow has the following causes: the first one is due to stagnation of qi and blood due to cold condensation, which causes pain if it does not pass, and menstrual pain if qi and blood stagnation does not pass. In addition, stagnation of Qi and Blood can also lead to poor menstruation and low menstrual flow, or pain if it does not pass due to liver depression and stagnation of Qi and Blood. In addition, deficiency of qi and blood may also cause abdominal pain during menstruation, because according to Chinese medicine, pain is caused by lack of glory, which means that abdominal pain will occur when deficiency of qi and blood cannot glory in the uterus. It is important to keep a happy mood before menstruation, avoid excessive exertion, forbid the stimulation of cold water, prevent wind and cold, drink ginger sugar water before menstruation, use moxibustion to moxibustion the feet three miles, and abdominal acupuncture points such as Qihai and Guan Yuan, and also take some Chinese herbs that can warm the menstruation and disperse cold, invigorate blood and remove blood stasis.