The invention discloses an engineering blasting operation site personnel positioning monitoring system, and belongs to the technical field of safety positioning. The system comprises an intelligent safety helmet and a mobile terminal wirelessly connected with the intelligent safety helmet, a signal receiving pole and a close cover are connected to the top of the intelligent safety helmet separately, a scarf is arranged on the lower portion of the intelligent safety helmet, and a gas mask is arranged between the scarf and the intelligent safety helmet. The location of field staff can be positioned in real time, the accuracy is high, the head can be well protected, the head injury is reduced, and the system has a good dust-proof effect.