The efforts and study to improve the problems to the automatic fire detection system in Korea continues now. This study, by comparing and analyzing the standard of the automatic fire detection system in Korea and Japan, presents the improvements to limit an installation of analog type detector among projected beam type smoke detector and air sampling-type detector at more than 20m for the attachment height, recommend on installing the control panel of P-type third degree in the individual house and the apartment house, revise that the manual fire alarm box and sound equipment shall be installed satisfied with both of below 25m of horizontal distance and 50m of walking distance, introduce sound alarm type at the large buildings and correct the transmission and distribution of electricity type into two wire detector among the terms on wiring.