An image extraction apparatus comprising a GPS receiver is provided. The apparatus comprises a lens, a sensor, a display device, a storage medium comprising an ecological database, an input device, a GPS receiver, a DSP unit, and a microprocessor. When a shooting signal from the input device is received, the microprocessor enables the sensor to receives an ecological image through the lens and transmits the ecological image to the DSP unit, obtains longitude and latitude corresponding to a current location of the image extraction apparatus through the GPS receiver, retrieves ecological data from the ecological database according to the longitude and latitude, enables the DSP unit to compare the ecological image and the ecological data, and displays comparison results on the display device.