Charcoal of lotus root nodule is a processed product of lotus root nodule, which mainly has the effects of astringency and stopping bleeding (using drugs with astringent effect to treat bleeding diseases) and removing blood stasis, and can be used in the treatment of vomiting blood, hemoptysis, urinary blood, and disintegration (excessive menstruation or dripping), whose contraindications to the use of the drug are not clear yet. The drug source of lotus root nodule is the dried rhizome section of Lotus japonicus, and lotus root nodule charcoal is taken from the net lotus root nodule, according to the method of frying charcoal shelling processed from the gas is slight, the flavor is slightly sweet, astringent. Modern pharmacology shows that this product can shorten the clotting time. If you have any related symptoms, we suggest that you consult a doctor in time, do not use medication on your own, and the use of Chinese herbs should also be under the guidance of a physician’s diagnosis.