Poultry house with active positive pressure ventilation system

The utility model relates to a poultry house with an active positive pressure ventilation system, which comprises two gable walls and two long walls, one gable wall is provided with a negative pressure fan, and the opposite gable wall and the long wall are provided with water curtain air inlets. A plurality of rows of cage frames are longitudinally arranged in the poultry house. And special fans for breeding are uniformly arranged below the two long wall eaves. An air opening is formed below the cage frame and communicated with the outside through an air pipe pre-buried underground. The utility model has the beneficial effects that: 1, the temperature of the poultry house is effectively kept stable and the air quality is fresh by environmental control which takes positive pressure ventilation as a main part and takes negative pressure cooling exhaust as an auxiliary part; 2, the problem of ventilation dead angles can be solved according to the new ventilation logic of advanced-in and rear-out, upper-in and lo