We present a case of schizophrenia with the multiplication of other persons. The delusion in our case may be considered as that of Capgras syndrome but the former is different from the latter in some ways. In the delusion of our case, there occurred the disintegration of mind and body. We considered this disintegration in relation to schizophrenic destruction. We recognize the destruction of ambiguity in schizophrenia. That is, two dimensions that construct ambiguity are broken up and become independent from each other. In the delusion of our case, the ambiguity in the living body was destroyed. This destruction seems to be based on the schizophrenic though disorder: the cohesion of the concrete and overabstract.