The invention relates to comfortable self-adjusting shoes. Each comfortable self-adjusting shoe comprises a shoe vamp and a shoe sole, wherein each shoe sole comprises a
skin-attaching layer, an elastic layer and a
sizing edge for supporting and fixing the shape of the shoe; a shaping cavity is arranged by tightly attaching to the lower surface of the
skin-attaching layer, a one-way pressure-limiting valve only allowing exhaust of air is mounted at one side of the shaping cavity, the one-way pressure-limiting valve extends out from one side of the
sizing edge, a flat elastic bag is arranged at the lower part of the shaping cavity, the elastic bag communicates with the shaping cavity through the one-way valve, the one-way valve only allows air to enter the shaping cavity from the elastic bag, an air inlet door is arranged on the side wall of the elastic bag, and the air inlet door is fixed to the
sizing edge; a micro-elastic shaping bag is arranged on the inner surface of the shoe vamp, and the shaping bag communicates with the shaping cavity. For the shoes, the inner cavities can be automatically adjusted for adapting the feet, so that the comfort of the shoes is improved, the shoes fit the feet perfectly and are comfortable, and meanwhile, personalized adjustment can be carried out according to the shoe-wearing habits of different people.