Edge-hooping-free paper-plastic cup cover

The edge-hooping-free paper-plastic cup cover comprises a cover body and a buckling part, the buckling part is integrally connected to the outer side of the cover body, the buckling part comprises a buckling groove for buckling a cup opening curled edge, the buckling groove comprises an inner side wall, an outer side wall and a top wall, a circle of protruding arc-shaped sliding table is arranged in the outer side wall, and the top wall is arranged on the top wall. The length of the inner diameter of the minimum position of the inner diameter of the circular-arc-shaped sliding table is smaller than the length of the outer diameter of the maximum position of the outer diameter of the cup opening turned edge, and a circle of concave inner groove is formed in the position, located on the upper side of the circular-arc-shaped sliding table, of the outer side wall. The straw opening cover plate is divided into a plurality of straw hoop pieces through a plurality of separation through grooves formed in the middle,