A Raman spectrum inspection apparatus, comprising: an excitation light source configured to emit an excitation light to a sample to be inspected; an optical device having a spectrum inspection optical path and a sample imaging optical path, wherein the spectrum inspection optical path is configured to collect a light signal from a location where the sample to be inspected is irradiated by the excitation light, and the sample imaging optical path comprises a camera configured to take an image of the sample to be inspected; a spectrometer configured to receive a light signal from the spectrum inspection optical path and to generate a Raman spectrum of the sample to be inspected from the light signal; and a sample security decision device configured to determine security of the sample to be inspected based on the image of the sample to be inspected that is taken by the sample imaging optical path, wherein the sample security decision device comprises: a color histogram generating module configured to generate histograms of a plurality of colors according to the image of the sample to be inspected that is taken by the sample imaging optical path; a color level ratio calculating module configured to calculate a ratio of an amount of pixels within a predetermined color level range in the histogram of each color to a total amount of pixels of the image; and a comparison module configured to compare the ratio of pixels within the predetermined color level range in the histogram of each color to the total amount of pixels of the image with a predetermined threshold, wherein in a case that the ratio of the amount of pixels within the predetermined color level range in the histogram of every color to the total amount of pixels of the image exceeds the predetermined threshold, it is determined that the sample to be inspected is unsafe; otherwise, it is determined that the sample to be inspected is safe. an excitation light source configured to emit an excitation light to a sample to be inspected; an optical device having a spectrum inspection optical path and a sample imaging optical path, wherein the spectrum inspection optical path is configured to collect a light signal from a location where the sample to be inspected is irradiated by the excitation light, and the sample imaging optical path comprises a camera configured to take an image of the sample to be inspected; a spectrometer configured to receive a light signal from the spectrum inspection optical path and to generate a Raman spectrum of the sample to be inspected from the light signal; and a sample security decision device configured to determine security of the sample to be inspected based on the image of the sample to be inspected that is taken by the sample imaging optical path, wherein the sample security decision device comprises: a color histogram generating module configured to generate histograms of a plurality of colors according to the image of the sample to be inspected that is taken by the sample imaging optical path; a color level ratio calculating module configured to calculate a ratio of an amount of pixels within a predetermined color level range in the histogram of each color to a total amount of pixels of the image; and a comparison module configured to compare the ratio of pixels within the predetermined color level range in the histogram of each color to the total amount of pixels of the image with a predetermined threshold, wherein in a case that the ratio of the amount of pixels within the predetermined color level range in the histogram of every color to the total amount of pixels of the image exceeds the predetermined threshold, it is determined that the sample to be inspected is unsafe; otherwise, it is determined that the sample to be inspected is safe. a color histogram generating module configured to generate histograms of a plurality of colors according to the image of the sample to be inspected that is taken by the sample imaging optical path; a color level ratio calculating module configured to calculate a ratio of an amount of pixels within a predetermined color level range in the histogram of each color to a total amount of pixels of the image; and a comparison module configured to compare the ratio of pixels within the predetermined color level range in the histogram of each color to the total amount of pixels of the image with a predetermined threshold, wherein in a case that the ratio of the amount of pixels within the predetermined color level range in the histogram of every color to the total amount of pixels of the image exceeds the predetermined threshold, it is determined that the sample to be inspected is unsafe; otherwise, it is determined that the sample to be inspected is safe.