The present invention relates to multifunctional modular tower lighting. Provided is the multifunctional modular tower lighting in which a plurality of signal display units are stacked on a body. Each of the signal display units has an assembly structure adapted to enable the signal display units to be mounted through simple rotation and enable contacts of LED modules disposed inside the signal display units to be connected so as to emit light. In the multifunctional modular tower lighting according to the present invention, protrusions and recessions are formed on an inner or outer circumferential surface of a housing and a diffusion filter is disposed between the housing and each of the LED module, and thus provided is an effect in which light emitted by LEDs can be more effectively diffused. Furthermore, prisms or reflective plates are disposed on surfaces of the LED module, and thus light emitted by the LEDs in rectilinear lines is reflected toward a lateral side, thereby providing effects in which light is efficiently emitted by improving visibility of the lateral side and a shaded region is prevented from being formed on the lateral side.
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