Bonding machine with horizontal correction function and horizontal correction method thereof

A bonding machine with horizontal correction function, comprising:

• a first chamber;
• a second chamber, facing the first chamber;
• wherein the first chamber is configured to be connected to the second chamber to define an enclosed space between the first chamber and the second chamber;
• a pressing unit, connected to the first chamber and located within the enclosed space;
• a carrier, connected to the second chamber, and located within the enclosed space;
• wherein the carrier includes a carrying surface and the carrying surface is configured to carry a first substrate and a second substrate stacked on the carrying surface;
• a plurality of level adjustment units, disposed on the first chamber and including an adjusting bar;
• wherein the adjusting bar passes through the first chamber and are connected to the pressing unit, a part of the adjusting bar is located outside the enclosed space to form an adjusting part on the first chamber, wherein the level adjustment units include a suspension rod connected to the pressing unit;
• and
• a plurality of distance measuring units, disposed on the second chamber and configured to measuring distances between the pressing unit and each of the distance measuring units.