The utility model discloses a removable signboard which comprises a removable signboard body, the removable signboard body comprises a support, the support comprises a first supporting rod, a fixed bottom plate is arranged at the bottom of the first supporting rod, through hole threads are arranged on the fixed bottom plate, a placing plate is arranged at the top of the first supporting rod, and the through hole threads are arranged on the placing plate. A first containing groove and a second containing groove are formed in the containing plate, a signboard frame is arranged on the containing plate, the signboard frame comprises a first transverse rod, a second transverse rod, a first vertical rod and a second vertical rod, and the first transverse rod, the second transverse rod, the first vertical rod and the second vertical rod are fixedly connected through bolts. The signboard fixing device has the advantages that the signboards can be conveniently placed by arranging the first transverse rod, the second transverse rod, the first vertical rod and the second vertical rod which are different in length, and meanwhile the signboards different in length can be fixed through the pushing plate by adopting the first transverse rod, the second transverse rod, the first vertical rod and the second vertical rod which are different in size.