Smart cloth, smart shoes, and smart clothes. The smart cloth comprises: a base layer (10) provided with ventilation holes (11), and a thermal insulation layer (20) which is disposed on the base layer (10) and can move relative to the base layer (10); a temperature sensor (30), configured to sense temperature information; and a control component (50), connected to the temperature sensor (30) and the thermal insulation layer (20), and configured to control, according to the temperature information sensed by the temperature sensor (30), the thermal insulation layer (20) to move relative to the base layer (10), such that the thermal insulation layer (20) is switched between a state of completely covering the ventilation holes (11) and a state of completely not covering the ventilation holes (11) or switched among the state of completely covering the ventilation holes (11), a state of partially covering the ventilation holes (11), and the state of completely not covering the ventilation holes (11). The smart shoes and smart clothes made from the smart cloth are able to adjust the temperature, and make people feel more comfortable.
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