Shijiazhuang belongs to the manufacturer’s name, Dingkundan is a kind of Chinese patent medicine that nourishes blood and regulates menstruation, which can be used to treat irregular menstruation, dysmenorrhea and other conditions. Dingkundan is composed of red ginseng, deer antler, Panax ginseng, safflower and other medicines, which has the effect of nourishing qi and blood, regulating menstruation and relieving depression. It can be used clinically to treat symptoms of deficiency of qi and blood, qi stagnation and blood stasis (stagnation of blood due to lack of circulation of qi), which may be manifested as irregular menstruation, dysmenorrhea, metrorrhagia (excessive menstrual flow or spotting of menstruation), postnatal hot flashes (a burst of fever), and blood desiccation, and other symptoms. The adverse effects of this medicine are not known. Stop taking this medicine when you have a cold or flu. Greasy as well as cold and raw foods should be avoided during the course of the medicine. If patients need to use the medicine, they should do so under the guidance of a doctor and should not use the medicine without authorization.