The invention relates to a miniature multifunctional staining workstation, which comprises a case, a water bath tank embedded in the case, a temperature control system, a stain preparation agitator, an automatic controller, and a drain tube, the water bath tank is divided into a stain preparation work area and a staining work area, the temperature control system simultaneously controls the temperature of the stain preparation work area and the temperature of the staining work area, the stain preparation agitator is fixed inside the case and is under the stain preparation work area, the automatic control system controls water level inside the water bath tank and the operation time of the temperature control system, the stain preparation agitator and the staining work area, the drain tube is communicated with the water bath tank, and water in the water bath tank is drained out by the drain tube. Adopting the technical solution of the invention, the miniature multifunctional staining workstation has the advantages of small size, high temperature control precision, silence, long service life, energy saving and the like, can implement quick staining under extreme conditions, and is easy and safe to operate, staining is stable and reliable, and the requirements of different hospitals can be met.