Adjusting tool for display screen splicing and display screen

The utility model discloses an adjusting tool for display screen splicing and a display screen, the display screen comprises a plurality of display screen units, each display screen unit is provided with an adjusting hole and a pre-positioning part, the adjusting tool comprises an adjusting seat, at least two adjusting pieces and at least two pre-positioning pieces, the at least two adjusting parts and the at least two pre-positioning parts are mounted on the adjusting seat and are used for being matched with the adjusting holes and the pre-positioning parts on each display screen unit, so that the plurality of display screen units can be pre-positioned through the matching of the pre-positioning parts and the pre-positioning parts; and then the flatness of the plurality of display screen units which are spliced together is adjusted through the matching of the adjusting pieces and the adjusting holes. 一种用于显示屏拼接的调节工具及显示屏，所述显示屏包括多个显示屏单元，每个所述显示屏单元上均设有调节孔和预定位部，所述调节工具包括调节座、至少两个调节件和至少两个预定位件，至少两个所述调节件和至少两个所述预定位件安装在所