The utility model discloses a gas compressor end supporting device of a large gas turbine module. The large gas turbine module gas compressor end supporting device comprises a foundation base, the large gas turbine module gas compressor end supporting device is composed of a first supporting device and a second supporting device, the first supporting device is composed of a first support, a firstbase plate, a first gasket and a first jack, and the second supporting device is composed of a second support, a second base plate, a second jack and a second gasket. The device is suitable for installation and adjustment of equipment with large weight and large size, overcomes the problem that large-scale gas turbine module equipment is difficult to adjust in place, promotes smooth operation of equipment installation work on the premise of ensuring safety, and is reasonable in structure, simple to operate and capable of improving work efficiency.