An optical fiber connecting member is an optical fiber is inserted, has a tapered insertion port Jin formed at its opposite ends through it, and an optical two optical fiber is inserted through the insertion port with a discharge port opened to the region adjacent to each other connected to the sleeve, wherein including the insertion port, and the injection with the cyanoacrylate type adhesive injected into the port, the optical connection sleeve and the heat shrink tubing wherein surrounding the two optical fibers around with a hot-melt adhesive provided therein for fixing the two fiber do.
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