The invention relates to a roll typed electric adsorption filter core. The invention has the structure that a roll typed electric adsorption component part is arranged inside a casing, and a liquid inlet, a liquid outlet and an electrode are arranged in the casing. A composite layer, which is composed of a conductive layer, a adsorption layer, a supporting layer, a adsorption layer, a conductive layer, a adsorption layer, a supporting layer and a adsorption layer (totally eight layers), winds on the core shaft, and the fixing layer on the lateral side tightens the composite layer to make the composite layer fixed on the core shaft. When original liquid enters into the filter core through the liquid inlet, and while passing the supporting layer of the roll typed electric adsorption component parts, the charged particles (like metal ions: calcium, magnesium, sodium, lead, mercury, cadmium and so on, and acid radical, etc) are absorbed in the electric double layer on the surface of adsorption layer under the effect of direct current electric field force, and then are effectively removed, and so the liquid is purified. The fluid flow of the roll typed electric adsorption filter core distributes evenly and has strong adaptability to original liquid. The invention has good purification effect, low operation energy consumption, simple structure, low manufacture cost and long useful life, and can purify water, wine, beverage and other liquids.