In a walking teaching system including footwear and an external device, the footwear includes a sensor unit configured to detect a motion of the footwear, and a first transmission unit configured to transmit detection information detected by the sensor unit to the external device, and the external device includes a first reception unit configured to receive the detection information, a first storage unit configured to store model information serving as a model of walking, and a presentation unit configured to present a way to walk to a user wearing the footwear on the basis of the detection information and the model information.
