Abstract: This article employs an innovative metaphor to characterize Inductively Coupled Plasma Mass Spectrometry (ICP-MS) as an investigative team operating at the microscopic level. Framed within the conceptual context of the “microscopic world” documentary format, the discussion adopts an anthropomorphic approach to elucidate the fundamental principles, instrumental architecture, and extensive applications of ICP-MS technology. The exposition systematically demonstrates how this analytical “detective unit” performs meticulous elemental and isotopic analyses, providing researchers across multiple disciplines with precise and efficient analytical solutions.

Key words: Inductively coupled plasma, Mass spectrometry, Fundamental principles, Instrument configuration, Application