Internally embedded sticking patch type watering device

The utility model discloses an internally embedded sticking patch type watering device which is formed by water inlets, labyrinth type flow passages, a water outlet trough and a plate body and is characterized in that the water outlet trough is arranged in the middle of upper panels of the plate body, the labyrinth type flow passages are respectively arranged on the upper panels of the plate body on two sides of the water outlet trough, inner end portions of the labyrinth type flow passages are communicated with the water outlet trough, the water inlets are arranged on outer end portions of the labyrinth type flow passages, and the water inlets of the two labyrinth type flow passages are respectively located on edges of two sides of the plate body. Due to the facts that the water inlets are located on two sides of the plate body, an extrusion method production can be adopted to solve the problems that structural design of a mould is complex, materials are waste and manufacturing technique is complex caused by