Mass spectrometer data acquisition method and device

The invention discloses a mass spectrometer data acquisition method and device, and particularly relates to the technical field of data acquisition, the mass spectrometer data acquisition device comprises a base and a mass spectrometer body composed of a sample introduction system, an ion system, an analysis system, a detection system and a data system, the sample introduction system comprises a sample introduction box, and a sample introduction mechanism is arranged in the sample introduction box; the ion system comprises a left frame body; each of the analysis system and the detection system comprises a middle frame body; the data system comprises a right frame body; butt joint assemblies are arranged between the left frame body and the adjacent middle frame body, between the right frame body and the adjacent middle frame body and between the two middle frame bodies. Intermittent sample supply is achieved through the sample injection mechanism, gas molecules to be detected are fully ionized, meanwhile, the