PROBLEM TO BE SOLVED : To provide a screen display method capable of efficiently and effectively examining a huge number of outpatient electronic health insurance claims.SOLUTION : The screen display method includes an overall medical examination item claim number calculation step (S36) for calculating an average number of claims for each medical examination item with respect to the number of health insurance claims for each department per 100 health insurance claims of medical institutions of a comparison target medical institution group, an individual medical examination item claim number calculation step (S37) for calculating a number of claims for each medical examination item with respect to the number of health insurance claims for each department per 100 health insurance claims of an examination target medical institution, a medical examination item rate calculation step (S41) for calculating the rate of the average number of claims of all the medical examination items and the number of claims of the individual medical examination item, a rate sorting step (S42) for sorting the medical examination items, a first display step for displaying the medical examination items sorted by the rate on a first screen, a medical examination item selection step for allowing any medical examination item to be selected from the medical examination items displayed on the first screen, and a second display step for displaying an outpatient electronic health insurance claim of the selected medical examination item on a second screen.COPYRIGHT : (C)2012, JPO&INPIT