The invention discloses novel anti-icing insulation coating and a preparation method thereof. A preparing device comprises a base, wherein a support frame is fixedly arranged on the base; setting plates are symmetrically and fixedly arranged on the end surface of the right side of the support frame from top to bottom; a rotating sleeve is fixedly arranged in each setting plate; a storage barrel isarranged in each rotating sleeve in a running fit manner; a storage cavity is formed in the end surface of the top of each storage barrel; a toothed ring is fixedly arranged on the periphery of eachstorage barrel; a rotating shaft is arranged on each setting plate in a vertical penetration and running fit manner; a first gear is fixedly arranged on the periphery of the rotating shaft and is mutually meshed with the toothed ring; a first motor is arranged at the tail end of the bottom of the rotating shaft in a power matching manner and is fixedly arranged in a setting block; the setting block is fixedly arranged on the end surface of the right side of the support frame; and a lifting seat is arranged on the end surface of the right side of the support frame of the upper side of the storage barrel in a lifting matching manner.