Disclosed is a non-motor vehicle line-crossing reminder. The non-motor vehicle line-crossing reminder comprises a base, a dead lever, a prompting box, batteries, a loudspeaker, a single-chip microcomputer, an infrared ray probe, an indicating lamp and a switch. The non-motor vehicle line-crossing reminder which is provided with the infrared ray probe and is capable of automatically prompting a non-motor vehicle owner or a pedestrian not to cross a line is installed above a non-motorized vehicle lane isolation fence. The reminder synchronizes with traffic lights at an intersection under the control of the single-chip microcomputer, in case of a red light in a direction, the reminder starts working, the indicating lamp is lighted, and at the moment, if a motor vehicle drives in front of the apparatus, the loudspeaker gives a prompt sound such as "please wait within a stop line, do not cross the zebra crossing", or "please do not park your car crossing the line" and the like so as to exert a prompting effect on people. According to the invention, through voice prompting, the people are prompted to change their line-crossing parking behaviors when driving non motor vehicles, traffic is more orderly, and trips of the people are smoother and safer.