Continuous sliding device for building displacement and full-dimensional continuous sliding construction method

The invention discloses a continuous sliding device for building displacement and a full-dimensional continuous sliding construction method. The continuous sliding device comprises a supporting seat body used for supporting a building; the inner sliding mechanism comprises an inner translation jack, an inner sliding seat, an inner jacking sliding jack and a rotating top disc, one end of the inner translation jack is fixedly connected with the supporting seat body, the other end of the inner translation jack is fixedly connected with the inner sliding seat, the inner sliding seat is arranged on the ground, the inner jacking sliding jack is arranged on the inner sliding seat in a sliding mode, and the rotating top disc is arranged on the inner sliding seat. The jacking end of the supporting seat body is fixedly connected with the rotating top disc, and the rotating top disc is fixedly connected with a building and can rotate relative to the supporting seat body; and the outer sliding mechanism is arranged on at