The disclosure relates to an apparatus for aiding a toilet user in standing up, and more particularly to an apparatus having a simple structure for aiding a toilet user in standing up, in which a movable seat where the toilet user sits is automatically movable to have lifting movement and pivoting movement, and minute pivoting movement is possible, thereby simplifying the structure and assisting the toilet user in safely standing up.The apparatus for aiding a user of a toilet in standing up, which has a structure where the user can sit, and includes a movable seat movably mounted to the toilet； and a seat actuator disposed adjacent to the toilet and actuating the movable seat to operate having at least one of lifting movement and pivoting movement, the seat actuator including: a base frame adjacent to and stationarily mounted to the toilet； a driver mounted to the base frame； and a link assembly connected to an actuation bar coupled to the movable seat and making the actuation bar operate as driven by the driver to generate the lifting movement and the pivoting movement of the movable seat.
