Beef cattle biological padding bed and use method thereof

The invention discloses a beef cattle biological padding bed and a use method thereof. The beef cattle biological padding bed is prepared from the following raw materials: a material 1, a material 2, a material 3 and a material 4 according to a mass ratio of (39-41) kg/m < 2 >: (29-31) kg/m < 2 >: (29-31) kg/m < 2 >: (2.5-3.0) kg/m < 2 >, and C: N is greater than or equal to 25: 1; composite probiotics are 1 kg/(30 m < 2 > biological padding, and the padding height is 10 cm); and the moisture of the biological padding bed is controlled to be 45-55%. According to the beef cattle biological padding bed and the use method thereof, the fermented biological padding is laid on a cattle pen, and the thickness is 5-10 cm; the material 1 is selected from one or more of saw dust, dry bagasse, dry edible fungus residues, corncobs or uncrushed peanut shells; the material 2 is selected from one or two of rice husks or rice chaff and hull; the material 3 is selected from one or more of corn straw, wheat straw or rice straw