The invention discloses a modularized multifunctional movable public toilet. The modularized multifunctional movable public toilet comprises a base, side walls, a top cover and a door. The side walls are detachably connected with the left side, the right side and the rear side of the base, the door is arranged on the front side, the top cover detachably covers the tops of the side walls, a detachable urinal is placed on the inner side of the base, a detachable counter is arranged around the urinal, and a wash basin and a trash can are arranged on the left side of the counter. According to the modularized multifunctional movable public toilet, the modularized base, the side walls and the top cover are connected through a detachable mode, in the transporting process, transporting is conducted after detaching is conducted, so that the occupied space is greatly reduced, the transporting cost is reduced, installation is more convenient, in the maintaining process of the modularized structure, only small parts need to be replaced, the maintenance cost is greatly reduced, and maintenance is further more convenient; the problems that transporting and installation are inconvenient, the occupied space is large, the transporting cost is high, and the maintenance and replacing cost is high existing in the prior art are effectively solved; and the modularized multifunctional movable public toilet further has the characteristics of being simple in structure and low in cost.