Dingkundan does not belong to the national confidential formula, its main ingredients are red ginseng, Colla Corii Asini, Atractylodes Macrocephalae, antler velvet, Fragrance Forsythia, Radix Achyranthis Bidentatae, Radix et Rhizoma Gastrodiae, Rhizoma Polygonati Odorati, Rhizoma Polygonati Odorati, Rhizoma Polygonati Odorati, and others. This product has the effect of regulating menstruation and relieving depression, nourishing qi and blood, and is mainly used for the treatment of qi stagnation and blood stasis (blood stagnation due to the lack of qi circulation), abdominal pain during menstruation caused by deficiency of qi and blood, and menstrual disorders. Red ginseng and Colla Corii Asini in Dingkundan can nourish blood and benefit qi; Atractylodes macrocephala and antler velvet can strengthen the spleen and tonify the kidneys; Fragrant herbs and Chaihu can dredge the liver and regulate qi (to regulate stagnation of the liver’s qi); and Yanhuisuo and safflower can invigorate the blood and open up the channels. Adverse effects of this product are not known. Note that this product is prohibited for those who are allergic to this product, allergic individuals should be cautious, stop taking it when you have a cold or flu, patients with serious chronic diseases, adolescent girls and menopausal women should take it under the guidance of a physician. If you need to use this product, you should be under the guidance of a physician to identify the evidence, do not take medication without authorization, so as not to cause adverse reactions.