Zaen Syariah Hotel still uses a conventional information system, which is less efective and ineffecient because it take a long time and requires data search in bookkeeping. In an effort to improve the design of the information system, imporovements need to be made to the manual room resevation administration and manual data management as well. The goal of designing this information system is to facilitate acces and data retrieval. By using the information system at zaen syariah hotel, the admin can easily an quickly navigate through the hotel’s information system. The method used in designing this information system include data collction through interview and literature study, data collection through Unfied Modeling Language (UML) using use case diagrams, sequence diagram, activity diagrams, dan class diagrams