An electrothermal vaporization atomic fluorescence spectrometer for determination of Cadmium comprising a sampling system, a light source, an atomizer, a light path system, a detection system, and a display device. The sampling system includes an electrothermal vaporization device and a capture trap; the capture trap comprises a Tungsten or Molybdenum coil (6), a holder (15), a cover (7) and a power supply (17); the cover (7) and the holder (15) form a sealed space; the Tungsten or Molybdenum coil (6) is arranged on the holder (15); the Tungsten or Molybdenum coil (6) is located inside the sealed space formed by the cover (7) and the holder (15); and the cover (7) is provided with an inlet (12) and an outlet (13) thereon. An electrothermal vaporization atomic fluorescence spectroscopy for determination of Cadmium is also provided.