The utility model discloses a negative ion waterless mini air conditioner, which provides a negative ion waterless mini air conditioner. Through the atomizer, the water body is recycled to cool the device, and then combined with the U-shaped baffle to quickly block the unatomized water droplets, so as to achieve the effect of environmental protection and cooling; Through the setting of the handle, it is convenient to move the utility model; Through the setting of the hook, buckle and rectangular block, the structure of the utility model is integrated, stable and compact.