The utility model discloses a filter screen cup easy to use. The filter screen cup easy to use comprises a rectangular cup body (1) with an opening in the top and a filtering device, wherein the filtering device comprises a rectangular frame (2) and a filter screen (3), the periphery of the filter screen (3) is fixedly arranged on the rectangular frame (2), a filtering device installation through hole (4) matched with the frame (2) is formed in the upper portion of the right lateral wall of the cup body (1), horizontal sliding rail grooves (5) matched with the frame (2) are formed in the front lateral wall of the cup body (1) and in the rear lateral wall of the cup body (1) respectively, and a groove (6) matched with the frame (2) is formed in the left lateral wall of the cup body (1). The filter screen cup easy to use has the advantages that traditional Chinese medicine filtering difficulty is greatly reduced compared with an existing traditional Chinese medicine filtering cup, a patient can take traditional Chinese medicine conveniently, the phenomenon that solid traditional Chinese medicine passes through a gap between the filtering device and the cup body in a medicine taking process is avoided due to the fact that no gap exists between the filtering device and each lateral wall of the cup body, and the leakproofness of the cup body is good.