A device for automatic, static continuous preparation of a fiber bragg grating array comprises an optical fiber paying-off module, a coating layer stripping module, an optical grating inscribing module, a coating module and a fiber winding module, wherein the optical fiber paying-off module, the coating layer stripping module, the optical grating inscribing module, the coating module and the fiber winding module are sequentially arranged in the optical fiber running direction. The optical fiber paying-off module comprises a coiling drum. The coating layer stripping module comprises a CO2 pulse laser, a first reflector, a second reflector, a focusing lens and a cylindrical surface reflector arranged in sequence. The optical grating inscribing module comprises an excimer laser and a phase mask plate. The coating module comprises an automatic ultraviolet light coating device. The fiber winding module comprises an automatic fiber winding device. A method for automatic, static continuous preparation of the fiber bragg grating array aims at non-hydrogen-loaded common fibers, and in the optical fiber paying-off and winding process, the method includes the first step of partially stripping coating layers of fibers through narrow-pulse infrared light, the second step of moving optical fiber portions of the stripped coating layers to the excimer laser for inscribing, the third step of moving the optical fiber portions after being inscribed to the ultraviolet light coating device for ultraviolet light coating and curing, and the fourth step of repeating the first step to the third step to carry out inscribing on multiple fiber bragg gratings to form the fiber bragg grating array.