Automatic smearing device

The utility model discloses an automatic smear device which comprises a support, a sample frame, a smear frame, a sample bottle, a smear head and a smear head, and is characterized in that the sample frame is used for placing sample bottles; the gun head supply box is provided with one or more gun head placing positions; the gun head dismounting mechanism is provided with a gun head dismounting plate; the slide placing mechanism is provided with one or more heating type slide placing positions; the air drying mechanism is arranged beside the slide placing mechanism and is provided with an air outlet corresponding to the heating type slide placing position; the three-dimensional moving unit is provided with a driving mechanism moving in the X direction, the Y direction and the Z direction, and the driving mechanism is provided with a sampler matched with the gun head; wherein the sample rack, the gun head supply box, the gun head dismounting mechanism and the slide placing mechanism are all located in the movi