Abstract: The invention relates to a portable cooling device for humans and/or animals, in particular a vest, a jacket, a cape, a coat or a blanket, characterized in that the portable cooling device (10) comprises at least two water atomizers, which are connected thereto, together with the reservoirs (2.2, 5) and at least two fans (2.1, 6), in that the portable cooling device (10) has a fixing device so that, when in use, a free ventilation and cooling region (11, 12) is formed between the portable cooling device (10) and the surface to be cooled (13, 14) of the human and/or animal, and in that the fans (2.1, 6) and the water atomizers together with the reservoirs (2.2, 5) for ventilating and cooling said ventilation and cooling region (11, 12) are arranged next to one another.