Plant factory and collective place ventilation circulation device in high-altitude and high-cold area

The utility model provides a ventilation circulation device for a plant factory and a collective place in a high-altitude and high-cold area, which comprises the plant factory and the collective place, a ventilation pipeline is arranged between the plant factory and the collective place, and fans are respectively arranged on the plant factory and the collective place and are respectively communicated with the ventilation pipeline. The plant factory conveys oxygen-enriched air of the plant factory to the collective place through the draught fan and the communicating pipeline, and the collectiveplace conveys the carbon dioxide enriched air of the collective place to the plant factory through the draught fan and the communicating pipeline. The device disclosed by the utility model provides oxygen for people in a high-cold high-altitude area and provides fresh vegetables for people in the high-cold high-altitude area at the same time, and most carbon dioxide required by plant growth is provided for people in a de