The invention relates to the field of transportation, in particular to a cattle and sheep transport vehicle, which comprises a cab and a carriage which are connected through a hook, wherein the bottomof the carriage is provided with a driven wheel set, and the driven wheel set comprises a driven shaft and driven wheels, wherein the driven wheel is provided with an engaging part; a bearing plate is arranged in the carriage, an elastic component is arranged between the bearing plate and the bottom of the carriage, a wedge block is slidably connected with the bottom of the bearing plate, the wedge block is slidably and horizontally connected with the side wall of the carriage, the side wall of the carriage is rotatably connected with a first rotating shaft, a second rotating shaft and a third rotating shaft, the wedge block is rotatably connected with the first rotating shaft, a pressure spring is arranged between the first rotating shaft and the side wall, a first gear and a second gearare arranged on the first rotating shaft, the first gear is meshed with the driven wheels, a third gear and a fan blade are arranged on the third rotating shaft, the first gear is linked with the third gear, a guard rail is arranged between the fan blade and the carriage, and the vehicle also comprises a driving mechanism controlled by the fan blade. According to the scheme, the problem of potential safety hazard caused by the aggregation of the cattle and sheep on the same side of the carriage can be avoided.