The invention discloses a mixing device for fodder processing. The mixing device comprises a shell, wherein a motor base is fixedly jointed above the left side of the shell; the motor base and the shell are connected with each other in a welding manner; a motor is fixedly connected with the left side of the motor base; a driving bevel wheel is fixedly connected with an output end of the motor; a longitudinal separating plate is fixedly connected with the left side in the shell; an upper rotating shaft is in rotating connection with the upper side in the shell; the left end of the upper rotating shaft is penetrated through the longitudinal separating plate and the shell and is connected with a driven bevel wheel; the driven bevel wheel is meshed with the driving bevel wheel; a first stirring blade is fixedly jointed on the outer side of the upper rotating shaft. Compared with the prior art, the invention has the beneficial effects that the structure is simple, the use is convenient, the stirring is sufficient due to the dual stirring in the fodder stirring process, the rotating mode of the stirring on the lower side of the stirring device is intermittent rotation, the flowing state of the stirring fluid is effectively broken through, the stirring effect is better and the mixing device is worthy of popularization.