The utility model provides a car and brake piping thereof, this brake piping includes the protective shroud, and the cross -section is circularly, and it sets up a plurality of pipeline through holes, and sets up the draw -in groove along outer peripheral face a week, the protective shroud with joint portion and block portion are divided into for the interface in draw -in groove both sides to the draw -in groove, the external diameter of joint portion is less than the external diameter of block portion, many brake pipes, the one -to -one is worn to locate in the pipeline through hole of protective shroud. A plurality of mounting holes that the car includes cab floor with the brake piping, the protective shroud of brake piping clamps in the mounting hole, just pore wall joint around the mounting hole in in the draw -in groove of protective shroud. The utility model discloses in, through set up the pipeline through hole on the protective shroud for the various brake pipes that penetrate the driver's cabin are more concentrated, and the trend is fixed, effectively avoid each brake pipe to extrude the winding, the nest that cause each other and roll over, and still can eliminate the wearing and tearing of cab floor mounting hole edge to the brake pipe.