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A fiber optic communication device (2) is applicable to the positioning of an optical fiber cable (22) having a first optical fiber connector (221). It includes a main body (21) and a locating slot (23). The main body (21) comprises a housing (211) and a second optical fiber connector (212) for inserting the first optical fiber connector (221). The positioning slot (23) is disposed continuously around the periphery of the housing (211) of main body (21) from the outside to open, thereby forming a space for receiving the fiber optic cable (22), and positioning the fiber optic cable (22). The optical fiber communication device (2) winding the fiber optic cable around the main body (21) through the positioning slot (23) without mount / unmount a winder.