There is no such thing as the most classic formula for yin deficiency and fire exuberance (deficiency of yin essence in the body and hyperactivity of deficiency fire), but Dazhongyin Pills, Huanglian and Agaricus soup, and Angelica and Six Huangs soup can be used for yin deficiency and fire exuberance as prescribed by the doctor. 1. Da Cultivating Yin Pill, composed of Huang Bai, Shu Di, Zhi Mu, and Tortoise Board, has the effect of nourishing yin and lowering fire (nourishing yin essence and lowering fire), and can be used for symptoms of yin deficiency and fire exuberance, such as bone vapor and tidal fever (a burst of heat, feeling that the heat is penetrating from the inside of the bone to the outside), coughing and hematemesis, night sweating (sweating abnormally after falling asleep, but stopping when waking up), seminal emission, irritability and anger, with a red tongue and little moss, and a number of strong ulnar veins. 2. Huanglian and Agaricus soup, composed of Huanglian, Paeonia lactiflora, Agaricus, Scutellaria baicalensis, and Chicken Zi Huang, has the efficacy of removing vexation and tranquillizing the mind (relieving vexation and stabilizing the mind), nourishing yin and lowering the fire, which can be used for heart-kidney dysfunction (heart fire is strong and kidney yin is weak, physiological dysfunction of the heart and kidneys) and yin deficiency and fire, with symptoms such as vexation in the heart (irritation and sullenness), dryness in the mouth and pharynx, tongue with reddish color with little moss, and fine and numberless pulse (pulse becoming narrow and thin and accelerating in speed), etc. 3. Angelica Six Yellow Soup, composed of Radix Rehmanniae Praeparata, Rhizoma Cyperi, Radix Angelicae Sinensis, etc., has the efficacy of fixing the surface and stopping sweating (stopping sweating by consolidating the surface of the muscle), nourishing yin and diarrheal effect, and can be used for yin deficiency and fire-excessive night sweating, with symptoms such as fever and night sweating, yellowish reddish urine, dry stools, reddish tongue with yellowish coating, and number of pulses. This formula is strong in nourishing yin and cathartic fire, and is suitable for people with yin deficiency and fire with uninjured middle qi. It should not be used if the spleen and stomach are weak and the bowels are loose (thin and unformed stools). Please do not use the medicine on your own. If you feel unwell, please go to the hospital for consultation.