Abstract: The fire system design for tank farm is an important component of tank farm's fire design. The fire control policy "Precaution combined with fire control"-should be carried out in the tank farm's allocation and the general plan design. The safe distance, technological process.equipment selection and daily care of fire system should be surely optimal when the working drawing is designed. In the light of fire system's design, several sugestions and improvment programs are put forward.which has a directive importance to the modernization of fire system for tank farms.