The invention discloses a night visual optical fiber. The night visual optical fiber comprises an optical fiber body and an optical fiber coating which covers the surface of the optical fiber body, wherein a raw material formula of the optical fiber coating comprises the following components in percentage by weight: 10 percent to 70 percent of low-polymer resin, 2 percent to 60 percent of organic silicon resin, 20 percent to 40 percent of an active monomer, 0.01 percent to 5 percent of fluorescent dyestuff, 1 percent to 10 percent of a photoinitiator and 0.1 percent to 15 percent of an additive. According to the night visual optical fiber disclosed by the invention, a preparation process is simple; the identifiable property under a dark environment can be met and the night visual optical fiber also can have excellent performance, so that the night visual optical fiber has obvious advantages.