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Abstract. In winter, rabbit production needs to provide suitable temperature for the rabbit house, but the air circulation also cannot be ignored. At present, small-scale and low-cost rabbit breeding models is still dominated in China's rabbit industry, and this farming model can only provide simple measures for insulation and ventilation in the winter, so that the home environment is not suitable for the normal survival of rabbits, which result in low breeding efficiency. The common method of insulation and ventilation in rabbit houses in winter is to reduce the cross-sectional area of the rabbit house and natural ventilation, but the effect is not good. In order to verify the rationality of the most commonly used ventilation mode and to study the distribution law of air flow field in rabbit house, the study, based on the actual observations and computational fluid dynamics, use anemometer to measure air flow rate of air inlet and outlet like fan and wet curtain, create the finite element models of rabbit house, set the boundary conditions, and simulate the airflow distribution in the rabbit house. The rationality and advantages and disadvantages of the current ventilation measures are analyzed, which provides a theoretical basis for the ventilation of small-scale and low-cost rabbit farms in winter.