The invention discloses a refined sugar decolorization treatment device and decolorization, backwashing, regeneration and cleaning processes. The operating system includes a syrup pump, a decolorized sugar solution pump, an ion exchange bed group, a dilute sugar solution tank, a concentrated sugar solution tank and The decolorized sugar solution tank; the regeneration system and the anti-regeneration system are connected to the first pipeline and the second pipeline through a pneumatic ball valve, and are used to regenerate the ion exchange bed group. The regeneration system includes a heat exchanger, an insulated water tank, a regeneration water pump, a salt solution tank, a brine pump, a bag filter, a desalinated water tank, an alkali discharge pump, an alkali storage tank, an alkali metering box, and an alkali metering pump; The anti-regeneration system includes an ejector, an acid metering tank, an acid storage tank and an acid unloading pump connected in sequence. The invention has the advantages of small occupied area, no external cleaning equipment, good treatment effect, stable removal rate and the like.