Grasslands, forests, shrubs and meadows. Gray mushroom in Hailaer region usually grows in grassland, forest, shrub and meadow, and is an important fungus in grassland original ecological system. In Hailaer area, Pleurotus eryngii may grow in some grasslands, grasslands, forests and shrubs. These mushrooms like to grow in an environment with rich organic matter, fertile soil, moderate humidity and suitable temperature, usually in summer and autumn. When the temperature is between 10-20℃, the air humidity is high and there is enough nutrition and moisture in the soil, the mycelium of mushrooms will grow rapidly and form fruiting bodies. It should be noted that picking and eating wild mushrooms need to be cautious.