The invention discloses a dehydrating apparatus for an alcoholic group bactericidal and fresh keeping liquid. A technical scheme has main points that the dehydrating apparatus for the alcoholic group bactericidal and fresh keeping liquid comprises a cylinder container, a cover plate, a connecting bolt, a feed inlet, a feed valve, a high pressure air inlet, a high pressure air inlet valve, a high pressure air pipeline, a web plate, a granular alcoholic group bactericidal and fresh keeping liquid desiccant, a stainless steel basket, a transparent glass tube, an alcohol meter, a transparent glass tube top cover, a glass tube support, a discharging pipe, a discharge valve, a discharge hole and a support. The dehydrating apparatus for the alcoholic group bactericidal and fresh keeping liquid has characteristics of simple structure, convenient operation and fast dehydrating speed; after dehydration, the alcoholic group bactericidal and fresh keeping liquid with an alcoholic strength less than 80 has an alcoholic strength higher than 99.0%. The dehydrating apparatus for the alcoholic group bactericidal and fresh keeping liquid can conduct continuous production according to batches; the granular alcoholic group bactericidal and fresh keeping liquid desiccant in a saturation state after absorbing water can be dried for reuse; besides the dehydrating apparatus is suitable for dehydrating of alcoholic group bactericidal and fresh keeping liquid and other alcoholic products.