Beef cattle low-carbon farm and breeding method thereof

The invention relates to the technical field of agricultural breeding, in particular to a beef cattle low-carbon farm and a breeding method.The beef cattle low-carbon farm comprises a cattle house and an air circulation device, the air circulation device comprises an air blowing system and an air return system, and the air blowing system is used for making air in the cattle house flow from the top to the ground; the air return system is used for pumping air in the cattle house, the air return system is communicated with the treatment plant, the treatment plant is used for treating the air pumped from the cattle house, methane and peculiar smell contained in the air are reduced or eliminated, and then the air is discharged to the atmospheric environment. The air blowing system is matched with the air return system, air in the cattle house can flow from top to bottom, methane exhausted out of the cattle and gas carrying peculiar smell can be driven by airflow to be collected towards the bottom of the cattle hou