With the development of new technology, laser Raman microspectroscopy of fluid inclusions has been rapidly renovated in last decades. Information extracted from fluid inclusions has been widely used to interpret diverse geological processes. In this paper,writers review the history of research on Raman spectroscopy of fluid inclusions, introduce the theory and method of Raman spectroscopy of fluid inclusions, mainly discuss the problems and point out the future trends of this technique. The data of fluid inclusions analyzed by Raman spectroscopy are affected by samples, fluorescence, isotopes, photochemistry reaction, weak signal of watersolubility matter, water vapour and hydrates, and daughter minerals. Because the Raman scattering section of molecular changes with the pressure and the computation of area of Raman peak is not standardization, we must carefully treat the data from fluid inclusions by Raman spectroscopy. The future trends of laser Raman spectroscopy of fluid inclusions should be based on establishment the spectroscopy data of standard system and minerals, different type fluid inclusions should be analyzed under respective conditions, and the results will be developed from comparative content to absolute content ground on exact qualitative analysis.