An optical fiber connector includes a fiber fixing unit configured for holding the optical fiber, a ferrule configured for receiving an end of the optical fiber, and a housing receiving and connected to the fiber fixing unit and the ferrule. The housing includes side walls, the side walls cooperatively form an end surface adjacent to the fiber fixing unit, the side walls define two opposite releasing slots, the releasing slots penetrate through the side walls along a direction parallel to the end surface and are open at the end surface.