Embedded intelligent letter and bag box with front-input and rear-taking functions

The utility model provides an embedded intelligent letter and bag box with front throwing and rear taking functions, which comprises a box cabinet, wall bodies are arranged on two sides of the box cabinet, the box cabinet is embedded in the two wall bodies, a plurality of groups of unit cabinets with different volumes are arranged on the box cabinet, letter grids are arranged above the plurality of groups of unit cabinets, and the letter grids are embedded in the box cabinet. The front vertical face and the back vertical face of the unit cabinet are each axially provided with an electric control unit door, the front vertical face of the letter grid is provided with a delivery opening, the back vertical face of the letter grid is axially provided with an electric control letter door, and the front vertical face and the back vertical face of the box cabinet are provided with a first control unit and a second control unit respectively. Control screens are correspondingly arranged in the first control unit and th