The invention discloses a travelling cup. The travelling cup comprises a cup body, wherein the outer side of the cup body is connected with an outer cover through threads, one side of the outer coveris provided with a connecting lug, a hook is mounted on the connecting lug, the cup body is connected with an inner cover through threads, the inner cover is connected with a straw through threads, the straw is positioned inside the cup body, the bottom end of the straw is connected with a carbon filtering pipe through threads, and the lower part of the outer side of the cup body is connected withan outer cup through threads. For the travelling cup, by arranging the hook, the cup can be hung on a backpack, so that the carrying is convenient; by arranging the straw, a user can conveniently drink water, and when the straw is not used, the inner cover can be removed, so that the use is more convenient; by arranging the carbon filtering pipe on the bottom of the straw, the carbon filtering pipe can be used for filtering water quality, therefore, during outdoor travel, the user can directly drink the field water, the use is more convenient, and therefore, the problem that the function of the traditional kettle is single is solved; and in addition, during outdoor travel, the outer cup can be detached to be used as a tooth-brushing tumbler, and thus the function is more diversified.