The invention relates to an explosion protecting seat, in particular to an explosion protecting seat which can be disassembled rapidly on an armored vehicle and another military vehicle. The rapidly disassembled explosion protecting seat comprises a connecting assembly, a headrest assembly, a seat basin assembly, a front-back lifting motor assembly, a drum, an adjusting handle and a steel cable. The seat can be rapidly assembled and disassembled; when in normal practice and task executing, the seat can be easily disassembled for maintenance and cleaning, a channel can be formed by disassembling of the seat, and the channel easily passes through the position of the seat and leads to a rear cabin of a vehicle body or another part; and when encountering landmine explosion and attacking, the seat can be disassembled rapidly, the seat basin and a driver can be integrated and leave away from the vehicle simultaneously, therefore, secondary injury to the driver is avoided, and meanwhile, an escape and rescue trunk is provided for saving other injured persons.