Wall-mounted horizontal optical fiber cable distribution box

The utility model discloses a wall-mounted horizontal optical fiber cable distribution box, which comprises an optical fiber branching unit and a box body, wherein the optical fiber branching unit is disposed on the side wall of the box body. The wall-mounted horizontal optical fiber cable distribution box is characterized in that a distribution optical cable inlet, a passing fiber outlet and an entrance optical fiber outlet are arranged on the side wall of the box body, an optical fiber connecting disc and a horizontal adapter board with a plurality of optical fiber adapters are disposed in the box body, the optical fiber connecting disc is arranged on the bottom surface of the box body, the adapter board is perpendicular to the bottom plate, the optical fiber connecting disc is divided into multiple layers, one layer is a passing fiber holding disc while the other layers are fiber connecting discs, after fibers of a distribution optical fiber are separated by the optical fiber branching unit, the distributi