▎ 摘　　要

NOVELTY - The utility model claims a constant temperature layer of flexible multilayer graphene composite cup, comprising a cup body and a bottom cover, the side wall of the cup body is provided with a spacer chamber, the bottom of the cup body is provided with a clamping fixing groove; and the clamping fixing groove is provided with an inner screw thread; the outer edge of the bottom cover is provided with a retainer ring, the centre of the bottom cover is provided with a clamping bump; the clamping bump is equipped with outer screw thread, clamping block through screw thread is fixed in the clamping fixing groove, the retainer ring covered on the cup body, the flexible multilayer graphene composite constant temperature layer set in the interval cavity; it can quickly cool the water in the cup, it is safe and reliable, has high cooling efficiency, it can keep proper temperature in the water cup.