Multi-layer parallel food self-heating device

The utility model discloses a multi-layer parallel food self-heating device which comprises the following components: a water distribution box which is internally divided into a plurality of water storage tanks, the bottom of each water storage tank is provided with a first water leakage channel, and the first water leakage channel is provided with a sealing member; the tray body is distributed below the water distribution box and comprises a plurality of layers of trays which are sequentially stacked from top to bottom, the number of the trays is smaller than or equal to that of the water storage tanks, and a containing cavity capable of containing a food bag and a heating bag is formed in each layer of tray. A second water injection flow channel and a plurality of second water leakage channels are arranged at the positions, corresponding to the first water leakage channels, on each layer of tray, and the positions of the second water injection flow channels on each layer of tray are different; the second wa