Shengdi is sweet in taste and cold in nature, with the efficacy of nourishing yin and generating fluids, clearing heat and cooling blood (relieving blood heat by clearing heat) to stop bleeding, and can mainly be used to treat bleeding and spotting caused by blood heat, but it should not be used by people with spleen deficiency and dampness stagnation and those who suffer from fullness of the spleen or have loose abdomen and loose stools (scanty and unshaped feces). Its adverse effects are not clear. With sweet, sour taste and cold nature, Drynaria has the efficacy of clearing heat, cooling blood and stopping bleeding, nourishing the liver and kidney, and can mainly be used to treat the symptoms of yin deficiency of liver and kidney (deficiency of yin and fluid in the liver and kidney) as well as various kinds of hemorrhage caused by yin deficiency and blood heat. Its adverse reactions and contraindications are not clear. Sophora Japonica is bitter in taste and cold in nature, with the efficacy of clearing heat and fire (removing heat and fire from the body), cooling the blood and stopping bleeding (cooling and moistening the blood and preventing bleeding), it can be used to treat various bleeding symptoms caused by blood heat, but pregnant women should be cautious in using it. Its adverse effects are not known. There are no contraindications between Radix Rehmanniae Praeparata, Radix Aristolochiae Praeparata and Radix Sophora Japonica, so they can be brewed together for drinking, but they need to be used only after the guidance of a Chinese medicine practitioner in recognizing the symptoms. It should be noted that the Chinese medicine soak water may make its active ingredients precipitation is not enough, so that the efficacy of the drug decreased, and often do not achieve the efficacy of the treatment of disease. If you need to use the above drugs need to be standardized use under the guidance of a TCM doctor, not self-medication.