Provided is a device for strengthening a pelvic floor muscle. The device for strengthening a pelvic floor muscle includes a device body provided with a seating means on which a user can sit； and two or more electrode pads for applying a low frequency pulse, the electrode pads being disposed around a portion of the device body corresponding to the user's anus. In addition, a method for controlling the device for strengthening a pelvic floor muscle includes separately applying the generated low frequency pulse in a ramp up (Ru) time, a hold (Ht) time and a ramp down (Rd) time.
