Signboard for sewage draining exit in river

The utility model relates to the technical field of signboards, and discloses a signboard for a sewage draining exit in a river, the signboard is detachably inserted into the front end part of a box body, so that the signboard is convenient to mount, replace and dismount, the operation is simple, the efficiency is improved, the height of a first upright post can be adjusted up and down, and the angle can be adjusted left and right, so that the signboard is convenient and practical. The solar cell panel and the storage battery can provide power for the LED lighting lamp at night, the function of the lighting lamp is achieved, the functionality of the signboard for the sewage draining exit entering the river is increased, the content on the signboard for the sewage draining exit entering the river can be seen clearly at night, an external power line is not needed, installation is convenient and fast, energy is saved, and the environment is protected. The two-dimensional code on the river sewage draining exit si