The invention provides a continuous oil pipe dismounting protection method and a continuous oil pipe dismounting protection device, wherein the method comprises the following steps that dismounting depth signals, load signals and current signals of a dismounting tool are obtained through measuring instruments, and in addition, the obtained signals are transmitted to a comparator; the comparator compares the signals transmitted from the measuring instruments to the corresponding set signals to obtain deviation signals, and in addition, the deviation signals are transmitted to a PLC (programmable logic controller); the PLC controls the dismounting speed of the dismounting tool according to the deviation signals, and the continuous oil pipe dismounting protection is realized.