Water cup

The utility model belongs to the technical field of cups, and particularly relates to a water cup. A water cup comprises a cup body and a cup cover, the cup cover comprises a cover body and a turningcover hinged to the cover body through a hinge part, a slope guiding type buckling plate is arranged on the inner wall of the turning cover, a clamping part is formed on the buckling plate, and a buckling groove connected with the clamping part in a buckling mode is formed in the cover body. Wherein the flip cover is coaxially hinged with a cover opening piece for controlling the flip cover to open and a torsional spring, the cover opening piece is arranged below the flip cover, the torsional spring is arranged and propped between the cover opening piece and the flip cover, the torsional spring is extruded by pressing the cover opening piece to turn upwards around the axial direction, the flip cover is pushed to open by utilizing the elastic potential energy of the torsional spring, and the cover opening piece is