Ceiling leaking water diversion device

The utility model discloses a ceiling leaking water diversion device. The diversion device comprises cover plates which are spread on a ceiling and provided with diversion ditches, wherein the diversion ditches on the spread cover plates are arranged in a structure that the ends of the left and right adjacent diversion ditches are connected with each other and the upper and lower diversion ditches are parallel to each other; and the cover plates are connected with each other in a sealed manner, a water collecting trough is arranged on one side of the ceiling crossed with the diversion ditches, the bottom of the water collecting trough is connected with a drain pipe, and the drain pipe is communicated with a floor drain pipe. The water collecting trough penetrates through the lower part of the cover plates of the ceiling, and the bottom of the water collecting trough is made of a transparent material. A one-way circulating drain valve is arranged at the joint of the water collecting trough and the drain pipe.