With the aim of increasing efficiency of paper work attendant on traveling health screen-ings, notifying examination results expeditiously and dispensing with individuals' health sheets, an on-the-spot input system using portable personal computers has been introduced through cooperation from 10 town and village offices. Every examinee is given an interview chart (ticket?) with a bar cord containing his or her ID number printed on it. At each examination unit, the bar cord is read by PC and the identity of the examinee and items for examination (required) are confirmed. Measurements of height and weight, and results of urinary and visual acuity tests are inputted by a bar-cord handy terminal. For blood testing and stool examination for occult blood, the numbers of samples are automatically registered into the PC at the reception desk by way of an optical transmission unit. For ECG and ophthalmoscopy (fundus-copy), reference numbers are given at the interview server. Information gained in the interview is entered into the PC at the interview room and then the information-packed floppy disc is sent the reception desk for storage in the PC. Film numbers of stomach and breast X-rays are also registered into the PC at the reception desk. Thus, all the information is stored by the PC at the reception desk. After checking and confirmation are done, a daily report is made. Upon return to the hospital, all the data are transmitted to the hospital's central computer through the in-house network (local area network). Before the introduction of the new system, the registration of the data garnered by a one-day mass health examination in the out-of-hospital setting took about 10 days, but it is now done within the day. It has also become possible to report the results of examination in two weeks.