Seven-flavored Dihuang Pill has the effect of nourishing the kidneys and lowering the fire, and is used for the treatment of diseases caused by insufficient kidney water and inflammation of deficiency fire. Qiwei Di Huang Wan is composed of Radix Rehmanniae Praeparata, Rhizoma Dioscoreae, Cornu Cervi Pantotrichum, Poria, Ze Xie Di Di, Dan Pi, Cinnamomum Cassia, and is used for the treatment of deficiency of kidney water and inflammation of fire in the kidney, which leads to fever, thirst, sores of the mouth and tongue, ulceration of the gums, pain in the throat, emaciation of the body, and fever in sleep. In the formula, Radix Rehmanniae Praeparata nourishes yin and nourishes blood (nourishing the blood in the body), fills in the marrow (replenishing the essence, promoting bone marrow development); Cornu Cervi Pantotrichum nourishes the liver and kidneys, and solidifies (consolidates) the yin and jing (essence); Chinese yam enriches qi and nourishes yin (tonifying qi and yin fluids), solidifying the jing (essence); Poria and Ze Xie Di diarrhea promote diuresis and drain away dampness; Dampi invigorates the Blood, cools the Blood; and Cinnamon induces the fire to return to the source (restraining fire evils rising from the kidney). The adverse reactions and contraindications of Qiwei Di Huang Wan are not known at present. If you need to use the drug, you need to use it under the guidance of a traditional Chinese medicine practitioner to identify the symptoms, and not to use the drug on your own to avoid adverse effects on the body.