A pet feeding-training device is provided, which includes a feeding assembly. The feeding assembly includes a food plate and a housing. A panel of the housing is provided with a first channel opening opposite to the food plate. A hopper assembly for placing food is disposed in the housing. The hopper assembly includes a hopper and a gear, the gear includes a first rotating shaft, and the gear is connected to a side of the hopper through the first rotating shaft. A hopper opening is disposed in the housing, and the hopper is disposed in the hopper opening. The other side of the hopper is provided with a second rotating shaft. A top of the housing is provided with a button, a rack is disposed above the gear, the rack is engaged with the gear, and the button is connected to the rack.