Black Bean and Radix Rehmanniae Praeparata Soup mainly brings into play the medicinal properties of Radix Rehmanniae Praeparata, which has certain effects of tonifying blood and nourishing yin, and can assist in relieving blood deficiency and menstrual irregularities. As a kind of traditional Chinese medicine, Radix Rehmanniae is sweet in taste, slightly warm in nature, and belongs to the liver and kidney meridians, with the effects of tonifying blood and nourishing yin, benefiting the essence and filling in the marrow. Radix Rehmanniae can be used to treat blood deficiency and atrophy, palpitations (rapid heartbeat, often accompanied by panic), palpitation (rapid heartbeat, panic), irregular menstruation, metrorrhagia (excessive or spotty menstruation), hemorrhage, lumbar and knee soreness (feeling of soreness and weakness of the lumbar region and knees), night sweating (abnormal sweating after going to sleep, sweating stops when waking up), spermatorrhea, dizziness, tinnitus, and premature whitening of the beard and hair. People with weak spleen and stomach, diarrhea and solid heat should not use Radix Rehmanniae. If there is any discomfort, it is recommended to consult a doctor in time and use medication under the doctor’s guidance, not self-medication.