A cover slip sticking device, wherein the cover slip is a cover film which is capable of being drawn out from a wound state, the cover slip sticking device comprising: a dipping bath in which a clearing agent is contained and slide glasses on which specimens are attached are housed to be dipped in the clearing agent; a holder holding a cover slip, wherein a cover slip storage unit storing cover slip information is provided in the holder, the cover slip information including at least a type of the cover slip held in the holder and an initial value of a cover slip amount including a length of the cover slip held therein; a mounting part on which the holder is mounted; a cutter for cutting the cover film in a predetermined length; a sticking part for sticking the cover slip taken out from the holder mounted on the mounting part, on the slide glass; a reader/writer capable of reading the cover slip information and rewriting the cover slip information inside the cover slip storage unit or writing new information; a storage unit storing a type of the clearing agent currently contained in the dipping bath and storing matching information between types of clearing agents and types of cover slip; a determination unit comparing the type of the cover slip in the cover slip information read by the reader/writer and the type of the clearing agent currently contained in the dipping bath and stored in the storage unit with the matching information to determine whether the types match with each other or not; a usage volume calculation unit calculating a usage volume of the cover slip taken out from the holder and used, wherein the usage volume is calculated by multiplying the number of cover films cut in the predetermined length by the cutter and the predetermined length of a piece of the cover film; and a remaining amount calculation unit calculating a remaining amount of the cover slip held in the holder by subtracting the usage volume measured by the usage volume calculation unit from the initial value of the cover slip amount in cover slip information read out by the reader/writer, wherein the reader/writer unit writes the remaining amount of the cover slip held in the holder which is calculated by the remaining amount calculation unit in the cover slip storage unit. a dipping bath in which a clearing agent is contained and slide glasses on which specimens are attached are housed to be dipped in the clearing agent; a holder holding a cover slip, wherein a cover slip storage unit storing cover slip information is provided in the holder, the cover slip information including at least a type of the cover slip held in the holder and an initial value of a cover slip amount including a length of the cover slip held therein; a mounting part on which the holder is mounted; a cutter for cutting the cover film in a predetermined length; a sticking part for sticking the cover slip taken out from the holder mounted on the mounting part, on the slide glass; a reader/writer capable of reading the cover slip information and rewriting the cover slip information inside the cover slip storage unit or writing new information; a storage unit storing a type of the clearing agent currently contained in the dipping bath and storing matching information between types of clearing agents and types of cover slip; a determination unit comparing the type of the cover slip in the cover slip information read by the reader/writer and the type of the clearing agent currently contained in the dipping bath and stored in the storage unit with the matching information to determine whether the types match with each other or not; a usage volume calculation unit calculating a usage volume of the cover slip taken out from the holder and used, wherein the usage volume is calculated by multiplying the number of cover films cut in the predetermined length by the cutter and the predetermined length of a piece of the cover film; and a remaining amount calculation unit calculating a remaining amount of the cover slip held in the holder by subtracting the usage volume measured by the usage volume calculation unit from the initial value of the cover slip amount in cover slip information read out by the reader/writer, wherein the reader/writer unit writes the remaining amount of the cover slip held in the holder which is calculated by the remaining amount calculation unit in the cover slip storage unit.