Abstract: The present invention provides a cable guide for changing direction of an inner cable for operating a sliding door of a car, comprising a pulley casing having a box shape with an opening at its top and a guide recess at an inner side of its bottom, a slider provided with a sliding plate slidably guided by means of the guide recess of the pulley casing and a shaft extending upward from a top of the sliding plate, a pulley rotatably supported by the shaft of the slider, an urging member urging the slider along the guide recess toward a direction for giving tension to the inner cable, and a casing cover covering the opening of the pulley casing, and being configured so that an inner side of the casing cover and a top face of the shaft are slidable each other.