The utility model discloses a shield tail brush with a slurry stop board. The shield tail brush comprises a second plate, a first baffle and a second baffle, wherein the second plate comprises a first part in the vertical direction, a second part in the horizontal direction and an oblique third part; the first part and the second part form an L shape; the third part is obliquely connected with the second part; the first part is connected with a first plate in the horizontal direction; the third part is connected with the slurry stop board; the first baffle comprises a horizontal fourth part and an oblique fifth part; the second baffle comprises a horizontal sixth part and an oblique seventh part; the fourth part and the sixth part are located between the first plate and the second part; a spring steel wire is contained between the first baffle and the second baffle. The slurry stop board is connected to the second plate into an integrated piece and can be simultaneously used as a shield tail brush and a slurry stop board, the time is saved during installation, and the replacement and the maintenance are easier.