The invention relates to peanut and soybean mixed nutrient sheets capable of relieving pyrexia and a preparing method thereof. The peanut and soybean mixed nutrient sheets are prepared from 20-30 parts of cane sugar, 50-60 parts of peanuts, 50-60 parts of lentinula edodes, 1000-1200 parts of green tea, 70-80 parts of orange juice, 50-70 parts of pineapple juice, 5-10 parts of radix polygonati officinalis, 5-10 parts of tremella fuciformis, 10-20 parts of Chinese yam, 10-20 parts of coptis chinensis, 20-25 parts of malt and 200-220 parts of soybeans. The high-quality soybeans are selected, and the finished product is obtained through peel removing, soaking, soybean milk forming through grinding, filtering, heating peeling, cooling and packaging. The preparing technology is simple and convenient, no chemical ingredient is added, the peanut and soybean combination is used for replacing the soybeans, the fishy smell of the pure soybeans is weakened, crispness is improved, and the mouthfeel is good; as medicine materials are added into soybean milk, the bean curd sheets have certain medicine properties and are high in nutrition and easy to store.