An automotive intraoral scanner applied in a mouth (100) includes a biting piece (1), a track piece (2) and at least one mobile image processing set (5). The biting piece (1) is sandwiched between two rows of teeth (101). The track piece (2) is installed in the biting piece (1) and disposed corresponding to the rows of teeth (101), and a shape of the track piece (2) is similar to a shape of the rows of teeth (101). The mobile image processing set (5) is installed on the track piece (2) and moved along the track piece (2), and the mobile image processing set (5) is disposed corresponding to the rows of teeth (101). Therefore, the automotive intraoral scanner (10) has advantages of easy operation.
