Dazhongyin Pill is effective in nourishing yin and lowering fire (nourishing yin essence and lowering fire), and is useful in treating conditions such as yin deficiency and fire (deficiency of yin essence in the body and the appearance of hyperactive deficiency and fire), hot flashes and night sweating (abnormal sweating after going to sleep, and sweating stops after waking up), and tinnitus and spermatorrhea. The side effects of this medicine are not known. Da Tonic Yin Pill is a proprietary Chinese medicine composed of Radix Rehmanniae Praeparata, Radix Zhi Mu (Salt Zhi Mu), Cortex Phellodendron Bark (Cortex Phellodendron), Tortoise Shell (Tortoise Shell in Vinegar) and Pork Spinal Cord. The drug has the effect of nourishing yin and reducing fire, and can be used to treat yin deficiency and fire, hot flashes and night sweating, cough, tinnitus and spermatorrhea. The adverse reactions and contraindications of this drug are not clear, but avoid eating indigestible food during taking. Meanwhile, it should not be taken by people with cold and fever. If you need to take Dahuiyin Pill, it is recommended to go to a regular hospital in time, under the guidance of a professional physician to identify the treatment.