Refrigeration cup

The invention relates to a refrigeration cup which comprises a cover I, a cover II, a cup body and a refrigeration pipe. The structural dimension of the cover I is identical to that of the cover II, refrigerating fluid is contained in the cover I and/or the cover II, and the cover I and the cover II are in threaded connection with the upper end and the lower end of the cup body respectively. The cup body comprises an inner container and an outer container, the outer container wraps the inner container, a refrigeration cavity is formed by a clearance reserved between the inner container and the outer container, and the refrigeration pipe is arranged in the refrigeration cavity, and is closely attached and coiled to the outer wall of the inner container. The two ends of the refrigeration pipe are communicated with the interior of the cover I and the interior of the cover II respectively. The refrigeration cup can refrigerate water in the cup body at any time in hot summer so that people can drink cold water at any time and any where.