The invention discloses a safe blasting system which can warn failure blasting information, which comprises a digital detonator which is provided with a digital control module, a coding record device and a blaster, wherein the system can detonate a series of digital detonator and ammunition in the blasting operation, and can warn failure blasting information for non blasting digital detonators for some reasons. The invention can monitor and record blasting failures in far distance, and can rapidly analyze and check the position of hiding explosive.