The use of corn straw to cultivate edible fungi can not only turn waste into treasure, increase farmers' income, but also improve the food structure of people's lives, and the investment is small and effective, which is conducive to the sustainable and healthy development of agriculture. Main materials for cultivation of shiitake mushrooms: corn straw powder, wood chips, bran, carbendazim, quicklime, etc. The main method: corn straw powder 60%, wood chips 30%, bran 10%, after accurate weighing, add 0.2% carbendazim and 2% quicklime, mix well with water ratio 1:1, water content is controlled About 55%, it is filled with a special mushroom bag of 24 cm × 55 cm. Sterile inoculation after sterilization, culture at 20-25 °C. This method not only reduces the consumption of forest resources, but also protects the ecological environment, and opens up a new way for the utilization of corn straw.