The invention relates to a ginger slice processing technology and an additive thereof. The ginger slice processing technology comprises the following steps of 1, preparing syrup, 2, cleaning and shelling raw materials, 3, sifting raw materials, 4, conducting slicing, 5, conducting soaking, 6, conducting curing, 7, boiling with sugar, 8, conducting drying, 9, laying powdered sugar, 10, conducting multihead weighing, 11, conducting metal detection, and 12, packaging to put the product in storage. Baijiu, white vinegar, edible salt, edible flour, swelling agent and clear water are mixed to serveas the additive, when ginger slices are soaked, the additive is added, edible saline water is utilized to soak the ginger slices, moisture content in an internal environment of the ginger slices is low, the salt concentration of an external environment is high, therefore the inner environment and the outer environment are balanced, the moisture in the ginger slices is separated out, while the baijiu, white vinegar and the like in the additive then enter the ginger slices, the baijiu is organic alcohol, the white vinegar is organic acid, zingerone in the ginger slices can be extracted, afterwards, the ginger slices are fished out and washed with the clear water, salt is thoroughly washed away, and thus the biting taste in the ginger slices is removed.