The invention relates to an optical fiber guiding device suitable for a secondary plastic coating technology. The optical fiber guiding device consists of a floor stand, telescopic rods and guide pulley groups, wherein an upper horizontal telescopic rod and a second telescopic rod are hinged to the floor stand; a first telescopic rod is connected to the front end of the upper horizontal telescopic rod; the two guide pulley groups are respectively mounted at the front end of the first telescopic rod and the front end of the second telescopic rod. The optical fiber guiding device disclosed by the invention is simple in structure and reasonable in design; the telescopic rods and the guide pulley groups are arranged, so that optical fibers in different specifications are guided; the optical fiber guiding device has multiple purposes, is convenient and efficient; the problems that in the prior art, in the mass production process, the guiding of the optical fibers in various specifications is not liable to control, and the work is many and diverse, time-consuming and labor-consuming are solved; the accurate control of the remained length of bundled pipes is facilitated, so that the production is efficient and convenient, and the optical fiber guiding device disclosed by the invention is suitable for wide popularization and application.