Multifunctional gas chromatograph-mass spectrometer

The multifunctional gas chromatograph-mass spectrometer comprises a shell, a gas extraction module used for extracting gas to be detected and a gas quality detection module used for detecting the gas to be detected, a containing cavity is formed in the shell, and the gas quality detection module and the gas extraction module are both arranged in the containing cavity; the gas extraction module is connected with the gas quality detection module, the gas extraction module comprises an interface assembly, the interface assembly is installed on the shell, the interface assembly is communicated with the exterior of the shell and used for collecting gas to be detected from the exterior of the shell, a display screen is installed on the outer wall of the shell, and the display screen is connected with the gas quality detection module. And the display screen is connected with the gas quality detection module. The gas chromatograph-mass spectrometer has the effect of improving the convenience of the gas chromatograph-