A walking assistance system includes a walking assistance apparatus attached to a leg of a user and a notification unit configured to notify the user of a predetermined state in the walking assistance apparatus. The walking assistance apparatus includes a flexion damper that applies a resisting force in a bending direction of a knee joint of a leg, a sensor that detects a switching timing in a gait cycle of the user, a control unit that switches the mode of the flexion damper in accordance with a switching timing, a detection unit that detects a predetermined state, and a transmission unit. The notification unit includes a vibration stimulation module that applies vibrations or electrical stimulation to a non-paralyzed area of the user's body and a reception unit.
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