Abstract
The purpose of this study is to consider Italian Rationalism, which is one of the modern architectural movements in Italy. This paper deals with Edoardo Persico's criticism on modern architecture, especially on Italian Rationalism. To comprehend his thoughts on architecture, this paper also follows his history. As the result, he considered Italian Rationalism didn't have any strict principles and <style>. He also accused Rationalists of using slogans such as <mediterraneita> ambiguously because they denied the original meaning of <razionalismo> for such irrational using. Persico's criticism is based on Catholicism, Europeanism and some ideas reflected in his various activities. He regarded Italian Rationalism as one of the European modern architectural movements and sought the solutions of their problems comparing architecture with art.