The straw crusher can crush combustible crop waste stalks such as corn stalks, straw, peanut husks, bean stalks, and firewood. Avoiding the white burning of crop straw effectively protects the environment and develops renewable energy. The machine has reliable performance, simple operation, and convenience. This equipment produces a wide range of raw materials and can adapt to combustible crop waste stalks such as corn stalks, straw, peanut husks, bean stalks, and firewood.