The information commons in the library of Liaoning University of Petrochemical Technology is on the fifth floor. According to relevant data, the library of Liaoning University of Petrochemical Technology has a lending room on the 1-3 floor, a newspaper reading room and a periodical room on the 4th floor, and a retrieval room on the 5th floor, that is, an information sharing space. The retrieval room includes the mirror database of Chinese and foreign sci-tech periodicals, the mirror database of electronic documents such as scholars' home e-books, the mirror database of Wanfang data resource system and the multi-minute database of CD retrieval.