Constant-temperature shoe capable of keeping constant temperature in shoe

The utility model discloses a constant-temperature shoe capable of keeping constant temperature in the shoe, which comprises a vamp and a sole, the vamp is arranged above the sole and connected with the sole, a shoe cavity is formed by the vamp and the sole, the vamp comprises a shoe outer layer and a shoe inner layer, the shoe outer layer is connected with the shoe inner layer in an attached mode, and the shoe cavity is arranged in the shoe outer layer. The shoe inner layer comprises a waterproof layer, a heat insulation layer is arranged on the inner layer of the waterproof layer, the waterproof layer and the heat insulation layer are connected in an attached mode, a heat preservation layer is arranged on the inner layer of the heat insulation layer, a plush layer is arranged on the inner layer of the heat preservation layer, the heat preservation layer and the plush layer are connected in an attached mode, and the vamp comprises the waterproof layer, the heat insulation layer, the heat preservation layer a