Abstract: An advertisement system capable of providing an effective advertisement message by attracting the public's attention and increasing the recognition of the advertisement product is shown. The advertisement system includes motion detect sensors disposed at regular intervals along a railing of a structure to detect pedestrian motion, control parts respectively connected to each of the motion detect sensors, each control part receiving a motion detect signal from the associated motion detect sensor that detects the pedestrian motion, and an advertisement module connected to the control parts to display phrases along a longitudinal direction of the railing, the advertisement module providing an illumination to an advertisement phrase or a public service phrase that is near the pedestrian by control of a control part having received the motion detect signal from the motion detect sensor to guide the pedestrian's attention to the advertisement phrases or the public service phrases.