Food oven

The utility model discloses a food drying oven, which belongs to the field of drying ovens and comprises a drying oven body, a mounting box is fixed on one side of the drying oven body, a fan is mounted on the inner side of the mounting box, and a filter screen is fixed on the inner side of the mounting box and positioned on one side, far away from the drying oven body, of the fan. A rotating cam is fixed to the side, close to the filter screen, of the fan through a connecting rod, cleaning mechanisms are installed at the top and the bottom of the inner side of the mounting box and used for cleaning the filter screen, each cleaning mechanism comprises a sliding strip, and the sliding strips are slidably connected to the inner side of the mounting box; a first folding reset body is fixed to the top of the sliding strip and located on the inner side of the mounting box, a plurality of reciprocating cleaning plates are rotationally connected to the side, close to the filter screen, of the sliding strip, and a ce