Seat turntable and automobile

The utility model discloses a seat rotary table and an automobile, the seat rotary table comprises a gap eliminating mechanism (40) capable of vertically eliminating a gap, sliding blocks (1, 1 ') of the gap eliminating mechanism (40) can slide in the radial direction relative to an upper rotary table (10) to be switched between an unlocking position and a gap eliminating position, and when a circumferential locking mechanism (30) of the gap eliminating mechanism (40) relieves locking of the upper rotary table (10), the sliding blocks (1, 1') can be switched to the unlocking position; when the upper rotating disc (10) rotates to a locking position limited by the circumferential locking mechanism (30), the sliding blocks (1 and 1 ') can be switched to an anti-backlash position; a force transmission piece (2, 2 ') provides acting force for switching to an unlocking position to a sliding block (1, 1'); each wedge-shaped surface (201) is respectively and correspondingly matched with the lower ends of the sliding