PURPOSE: A wall drain board with pressing protection function is provided to prevent a main body of a drain board from being pressed by installing a press protecting pin which is capable of connecting a wall to part not including a support unit. CONSTITUTION: A wall drain board with pressing protection function comprises a main body of a drain board(10) and a press protecting pin(20). The main body of a drain board comprises an assembling hole and a support unit. The press protecting pin is connected a wall(W) by being fixed into the assembling hole by force and includes a plurality of latching projections.
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