An automobile calibration device , comprising: a support apparatus ; and a position adjustment apparatus , the position adjustment apparatus being mounted at the support apparatus ; a clamping apparatus , a slide apparatus and a scale ; wherein the position adjustment apparatus comprises: a slide member ; a supporting member , the supporting member being movably mounted at the slide member , the supporting member being configured to support the clamping apparatus , one of the slide member and the supporting member comprising a first member ; an adjustment member , the adjustment member comprising a second member , the second member being meshed with the first member and being capable of driving the first member to move in a horizontal direction, to enable the supporting member to move in the horizontal direction with respect to the slide member ; wherein the slide apparatus comprises a guiderail , a slide assembly and a hanging assembly ; the guiderail is mounted at the clamping apparatus , so that the guiderail moves with the supporting member in the horizontal direction with respect to the slide member ; the slide assembly is mounted at the guiderail and the slide assembly is horizontally movable with respect to the guiderail ; the hanging assembly is fixedly mounted at the slide assembly and is slidable with the slide assembly along the guiderail and is configured to hang a calibration assistance device. a support apparatus ; and a position adjustment apparatus , the position adjustment apparatus being mounted at the support apparatus ; a clamping apparatus , a slide apparatus and a scale ; wherein the position adjustment apparatus comprises: a slide member ; a supporting member , the supporting member being movably mounted at the slide member , the supporting member being configured to support the clamping apparatus , one of the slide member and the supporting member comprising a first member ; an adjustment member , the adjustment member comprising a second member , the second member being meshed with the first member and being capable of driving the first member to move in a horizontal direction, to enable the supporting member to move in the horizontal direction with respect to the slide member ; wherein the slide apparatus comprises a guiderail , a slide assembly and a hanging assembly ; the guiderail is mounted at the clamping apparatus , so that the guiderail moves with the supporting member in the horizontal direction with respect to the slide member ; the slide assembly is mounted at the guiderail and the slide assembly is horizontally movable with respect to the guiderail ; the hanging assembly is fixedly mounted at the slide assembly and is slidable with the slide assembly along the guiderail and is configured to hang a calibration assistance device. a slide member ; a supporting member , the supporting member being movably mounted at the slide member , the supporting member being configured to support the clamping apparatus , one of the slide member and the supporting member comprising a first member ; an adjustment member , the adjustment member comprising a second member , the second member being meshed with the first member and being capable of driving the first member to move in a horizontal direction, to enable the supporting member to move in the horizontal direction with respect to the slide member ; wherein the slide apparatus comprises a guiderail , a slide assembly and a hanging assembly ; the guiderail is mounted at the clamping apparatus , so that the guiderail moves with the supporting member in the horizontal direction with respect to the slide member ; the slide assembly is mounted at the guiderail and the slide assembly is horizontally movable with respect to the guiderail ; the hanging assembly is fixedly mounted at the slide assembly and is slidable with the slide assembly along the guiderail and is configured to hang a calibration assistance device. <EOS>