Abstract: A cassette loading device for a cassette tape recorder capable of preventing damages of the drum or the cassette tape by guiding the tape during the loading of the cassette tape is disclosed. The device includes a housing shaft connected to links on the side walls of the housing, and mounted on the rear part of the front wall of the housing for revolving forward or backward during the loading or unloading of the cassette tape, a pivoting member for controlling the revolution of the housing shaft by rotating around a pin, and an elastic member mounted on the front wall of the housing for applying elastic force to the pivoting member, wherein the tape is accurately guided to the drum for loading thereto without any damage of the drum and the tape, and the constitution of the device is simplified at a low manufacturing cost.