A liquid object identification apparatus comprising: a laser configured to emit an exciting light; an optical module configured to guide the exciting light to the liquid object to be inspected and collect a Raman scattered light from the liquid object to be inspected; and a spectrometer configured to receive the collected Raman scattered light and to form a Raman spectrum of the liquid object to be inspected, wherein the optical module has a first illumination optical path for guiding the exciting light to the liquid object to be inspected, a second illumination optical path for guiding the exciting light to the liquid object to be inspected and a collecting optical path for collecting the Raman scattered light from the liquid object to be inspected, and wherein the first illumination optical path and the collecting optical path at least partly share a common optical axis, and the second illumination optical path has an optical axis deviated from the optical axis of the collecting optical path, and wherein the optical module further comprises an optical path switching device configured to switch the exciting light emitted from the laser to the first illumination optical path or the second illumination optical path depending on a package of the liquid object to be inspected, wherein the liquid object identification apparatus further comprises a data process device which comprises: a storing unit in which a reference Raman spectrum library is stored; and a comparing unit configured to compare the Raman spectrum of the liquid object to be inspected with reference Raman spectra in the reference Raman spectrum library to identify the liquid object, characterized in that the reference Raman spectrum library comprises a first reference Raman spectrum library which is established on the basis of reference liquid in a transparent package and a second reference Raman spectrum library which is established on the basis of reference liquid in a semi-transparent or opaque package, and in that the data process device further comprises: a spectrum library selecting unit configured to select the first reference Raman spectrum library in case that the package of the liquid object to be inspected is transparent and to select the second reference Raman spectrum library in case that the package of the liquid object to be inspected is semi-transparent or opaque. a laser configured to emit an exciting light; an optical module configured to guide the exciting light to the liquid object to be inspected and collect a Raman scattered light from the liquid object to be inspected; and a spectrometer configured to receive the collected Raman scattered light and to form a Raman spectrum of the liquid object to be inspected, wherein the optical module has a first illumination optical path for guiding the exciting light to the liquid object to be inspected, a second illumination optical path for guiding the exciting light to the liquid object to be inspected and a collecting optical path for collecting the Raman scattered light from the liquid object to be inspected, and wherein the first illumination optical path and the collecting optical path at least partly share a common optical axis, and the second illumination optical path has an optical axis deviated from the optical axis of the collecting optical path, and wherein the optical module further comprises an optical path switching device configured to switch the exciting light emitted from the laser to the first illumination optical path or the second illumination optical path depending on a package of the liquid object to be inspected, wherein the liquid object identification apparatus further comprises a data process device which comprises: a storing unit in which a reference Raman spectrum library is stored; and a comparing unit configured to compare the Raman spectrum of the liquid object to be inspected with reference Raman spectra in the reference Raman spectrum library to identify the liquid object, a storing unit in which a reference Raman spectrum library is stored; and a comparing unit configured to compare the Raman spectrum of the liquid object to be inspected with reference Raman spectra in the reference Raman spectrum library to identify the liquid object, characterized in that the reference Raman spectrum library comprises a first reference Raman spectrum library which is established on the basis of reference liquid in a transparent package and a second reference Raman spectrum library which is established on the basis of reference liquid in a semi-transparent or opaque package, and in that the data process device further comprises: a spectrum library selecting unit configured to select the first reference Raman spectrum library in case that the package of the liquid object to be inspected is transparent and to select the second reference Raman spectrum library in case that the package of the liquid object to be inspected is semi-transparent or opaque.