Air passage for vertical air conditioning cabinet unit and vertical air conditioning cabinet unit

The utility model provides an air passage for a vertical air conditioning cabinet unit. The vertical air conditioning cabinet unit is provided with a centrifugal fan; an air outlet of the air passage is arranged into an upper air outlet passage and a lower air outlet passage; and the upper air outlet passage and the lower air outlet passage are positioned at the upper and lower positions of an air exhaust side of the centrifugal fan and opposite in switching positions. The utility model further provides a vertical air conditioning cabinet unit provided with the air passage. As the air outlet of the air passage is arranged into the upper air outlet passage and the lower air outlet passage which are opposite in the switching positions and capable of realizing upward and downward independent air outflow, cold air is conveyed out of the upper air outlet passage, and hot air is conveyed out of the lower air outlet passage. According to air fluid mechanics, the cold air flows from top to bottom, and the hot air flows from bottom to top, thereby the air passage and the vertical air conditioning cabinet unit can achieve optimal human body comfortable effects.