According to the shortcomings of common inertial gyro and the problems in laser ring gyro, as well as the advantages and applications of fiberoptic gyro in military and house services, the role of fiberoptic gyro in future inertial automatic navigation is described. 以传统的惯性陀螺的缺点和环形激光陀螺存在的问题,以及光纤陀螺的优点及其在军用和民用领域里的广阔的应用前景说明光纤陀螺在未来惯导技术中的地位。