Warning device for closing refrigerator door

The utility model discloses a warning device for closing a refrigerator door and belongs to the technical field of refrigerator auxiliary supplies. The warning device for closing the refrigerator door comprises a box body and a cover body which is connected with the box body through a connecting piece. Light sensor and a switch are arranged on the surface of the box body, a MP 3 player and a battery are arranged in the box body, and the light sensor, the MP 3 player, the switch, and the battery are connected in sequence. The box body is in a hollow structure, deodorant is placed in the box body, and the deodorant is the activated carbon. If a refrigerator door is not tightly closed, the light sensor of the warning device can trigger the MP 3 player to play music to remind people to pay attention to close the door, and waste of electricity is avoided. Due to the fact that the deodorant is placed in the warning device, peculiar smells in a refrigerator can be removed, and air in the refrigerator is kept clean.