The purpose of this study is to investigate the process and the result of reading comprehension based on intertextuality. The meaning which is composed by reader during reading process is fused multiple texts' meaning. The reader connect meaning of text and multiple texts. So, the process of reading comprehension have complex interaction among factors of text, the reader's prior knowledge and the content of multiple texts. The reader links those factors for making meaning. The process of reading comprehension is divided three stages: apprehension, interpretation and understanding. The apprehension is to recognize the meaning of text. The interpretation is to find out significance of text. And understanding is to reconstruct the reader's idea. The reader's comprehension of text was accomplished by interaction text, prior knowledge and multiple text. That is, the process of comprehension is to making intertextaul connection among multiple texts. The reader constitute inner text linking content of multiple text during reading. The inner text be formed each comprehension stages. Those inner text are mosaic which is composed by interaction reader's prior knowledge between meaning and significance of text and multiple text.