PURPOSE: To provide a picture display device capable of more clearly separating the organ of interest from other soft part tissues.

CONSTITUTION: This device is provided with a picture memory 3 for storing the plural kinds of pictures based on the different feature amounts of the same part including the plural organs, a computer 4 for preparing one sheet of integrated pictures by extracting plural clusters relating to the respective organs included in the plural kinds of the pictures, distributing pixel values constituting the respective clusters to an n-dimensional space stipulated by the respective axes of the different feature amounts, linearly setting an integration axis so as to minimize the overlapping of the distribution of the respective organ clusters inside the space and integrating the plural kinds of the pictures based on a linear equation for stipulating the integration axis and a picture display device 6 for displaying the integrated pictures.