There is no saying that there are ten contraindications for taking Dingkundan, its contraindications are still unclear, avoid eating cold, greasy and stimulating food when taking it, and stop taking it when you have a cold or flu. Dingkundan is composed of antler velvet, chickweed vine cream, saffron, Colla Corii Asini, red ginseng, deer antler cream, ripened rhubarb, Rhizoma Ligustici Chuanxiong, white peony, angelica sinensis, panax quinquefolii, Fragrant ferns, goji berries, scutellaria baicalensis, atractylodes macrocephala, yanhuisuo and so on, which has the effect of regulating menstruation and relaxing depression and tonifying the qi and blood. It can be used for symptoms such as abdominal pain during menstruation, irregular menstruation, blood dizziness, leucorrhoea (abnormal leucorrhoea with blood or blood clots), bleeding under the leucorrhoea (excessive menstruation or more than a few drops of menstruation), bone vaporization and tidal fever (a bout of heat, feeling that the heat is penetrating from the inside of the bone to the outside), and post-partum deficiencies due to deficiency of qi and blood, and so on. Adverse effects and contraindications of this product is not clear, avoid eating cold, greasy and stimulating food, cold and flu stop taking. If you have symptoms, you should take the medicine under the guidance of a professional physician, do not take the medicine blindly on your own, so as to avoid delaying the condition or producing adverse reactions.