An automatic analyzer for analyzing a biological sample, said automatic analyzer comprising: a storage device for storing information including measurement results of the biological sample, a display unit for displaying a list of pieces of said information; and control means adapted to perform control so that a print result screen (201, 301) displaying the measurement results of the biological samples is caused to be displayed on the display unit, characterized in that said control means is adapted to perform control so that the following is caused to be displayed on the display unit: the print result screen (201, 301) with results of maintenance execution as a time-series printing image, a print result menu screen with a list including at least the title of printings, and the date and time of printings in all of the printed results output by the automatic analyzer, the print result screen (201, 301) with a start page of a print result selected by a user to be moved, or with only the print result selected by the user to be extracted, while displaying on the measurement results of the biological sample also checker information as to whether, when and by whom verification/confirmation of data has been executed, an input area on the print result screen (201, 301) displaying together with the selected print result said checker information for allowing the user to input a check mark indicating whether or not data has been checked, and a register button on the print result screen (201, 301) for collectively registering the information displayed on the input area when being pressed by the user. a storage device for storing information including measurement results of the biological sample, a display unit for displaying a list of pieces of said information; and control means adapted to perform control so that a print result screen (201, 301) displaying the measurement results of the biological samples is caused to be displayed on the display unit, characterized in that said control means is adapted to perform control so that the following is caused to be displayed on the display unit: the print result screen (201, 301) with results of maintenance execution as a time-series printing image, a print result menu screen with a list including at least the title of printings, and the date and time of printings in all of the printed results output by the automatic analyzer, the print result screen (201, 301) with a start page of a print result selected by a user to be moved, or with only the print result selected by the user to be extracted, while displaying on the measurement results of the biological sample also checker information as to whether, when and by whom verification/confirmation of data has been executed, an input area on the print result screen (201, 301) displaying together with the selected print result said checker information for allowing the user to input a check mark indicating whether or not data has been checked, and a register button on the print result screen (201, 301) for collectively registering the information displayed on the input area when being pressed by the user. the print result screen (201, 301) with results of maintenance execution as a time-series printing image, a print result menu screen with a list including at least the title of printings, and the date and time of printings in all of the printed results output by the automatic analyzer, the print result screen (201, 301) with a start page of a print result selected by a user to be moved, or with only the print result selected by the user to be extracted, while displaying on the measurement results of the biological sample also checker information as to whether, when and by whom verification/confirmation of data has been executed, an input area on the print result screen (201, 301) displaying together with the selected print result said checker information for allowing the user to input a check mark indicating whether or not data has been checked, and a register button on the print result screen (201, 301) for collectively registering the information displayed on the input area when being pressed by the user.