A cell analyzing apparatus comprising: a first histogram acquiring section which is configured to acquire a first histogram of fluorescence intensities by using a result of a measurement of a number of nuclear stained cells; a second histogram acquiring section which is configured to acquire a second histogram of the fluorescence intensities that is normalized based on a fluorescence intensity value indicating a maximum value of the number of nuclear stained cells of the first histogram; wherein, in the acquisition of the second histogram, normalization is performed, in an ordinate direction, so that the maximum value of the number of nuclear stained cells of the first histogram has a first predetermined value, and further normalization is performed, in an abscissa direction, so that the fluorescence intensity value indicating the maximum value of the number of nuclear stained cells of the first histogram has a second predetermined value; a determining section which is configured to determine whether cancer cells exist or not, based on one of the first histogram and the second histogram; an outputting section which is configured to output a result of the determination performed by the determining section; and an analyzing section which is configured to apply frequency analysis to the second histogram, wherein the frequency analysis includes a fast Fourier transform, FFT, wherein the determining section, in a case where the fluorescence intensity value indicating the maximum value of the number of nuclear stained cells of the first histogram is outside a predetermined range, determines that the cancer cells exist, and, in a case where the fluorescence intensity value indicating the maximum value of the number of nuclear stained cells of the first histogram is within the predetermined range, determines whether the cancer cells exist or not, based on the frequency analysis of the second histogram. a first histogram acquiring section which is configured to acquire a first histogram of fluorescence intensities by using a result of a measurement of a number of nuclear stained cells; a second histogram acquiring section which is configured to acquire a second histogram of the fluorescence intensities that is normalized based on a fluorescence intensity value indicating a maximum value of the number of nuclear stained cells of the first histogram; wherein, in the acquisition of the second histogram, normalization is performed, in an ordinate direction, so that the maximum value of the number of nuclear stained cells of the first histogram has a first predetermined value, and further normalization is performed, in an abscissa direction, so that the fluorescence intensity value indicating the maximum value of the number of nuclear stained cells of the first histogram has a second predetermined value; a determining section which is configured to determine whether cancer cells exist or not, based on one of the first histogram and the second histogram; an outputting section which is configured to output a result of the determination performed by the determining section; and an analyzing section which is configured to apply frequency analysis to the second histogram, wherein the frequency analysis includes a fast Fourier transform, FFT, wherein the determining section, in a case where the fluorescence intensity value indicating the maximum value of the number of nuclear stained cells of the first histogram is outside a predetermined range, determines that the cancer cells exist, and, in a case where the fluorescence intensity value indicating the maximum value of the number of nuclear stained cells of the first histogram is within the predetermined range, determines whether the cancer cells exist or not, based on the frequency analysis of the second histogram. <EOS>