Tai sui, also known as meat ganoderma lucidum, is said to be the elixir of life that Qin Shihuang is struggling to find. Li Shizhen's Compendium of Materia Medica records Ganoderma lucidum, which is classified as "Ganoderma lucidum" in the Department of Vegetables. Edible and medicinal, it is regarded as "the top grade of this classic" and has the effect of "strengthening the body and prolonging life after long-term eating". According to Shennong's Classic of Materia Medica, "Ganoderma lucidum is non-toxic, nourishing, benefiting essence and qi, increasing wisdom, curing the knot in the chest and strengthening the body for a long time." Shan Hai Jing called it "seeing meat", "gathering meat", "letting the old age" and "sealing", which was a delicious health care for ancient emperors. Tai sui is very rare and is the top grade of all kinds of medicinal materials. It is recorded in ancient books that Tai Sui is flat, bitter and non-toxic, and has the value of invigorating spleen, moistening lung, tonifying kidney and benefiting liver.

Modern scientists believe that Taisui is a large myxomycete complex, but its cell structure has not been observed under the microscope so far. Compendium of Materia Medica records: "Meat and cheese are like meat. Attached to a big stone, it has a head and a tail, and it is a creature. Red is like coral, white is like fat, black is like paint, green is like jade feathers, and yellow is like purple and gold, all bright as ice. " Ge Hong, a Taoist priest in the Eastern Jin Dynasty, recorded in Bao Puzi that "Zhi Zhu's broken powder, or water, makes people intellectually fit and live forever." It is an elixir that the ancients thought was immortal.