The "Book of operational block or operational room" functionality from the "Books" submenu in the "Hospital" menu is used to download the book of operational block or operational room. After selecting this functionality there is displayed the form to specify the cell and period in which surgeries were made. After selecting cell, entering dates and pressing the "View" button there is displayed a link to download the piece of book of operational block or operational room from the specified period. The book has form of a PDF document.