Classifying pen bag

The utility model discloses a classifying pen bag, belongs to stationery and mainly solves the problem that the conventional pen bag can store a small number of stationery, and easily damages the stationery and is inconvenient to take out the stationery due to mixed arrangement. The classifying pen bag structurally comprises a plurality of bag bodies, connecting strips and a spiral shaft, wherein the bag bodies are longitudinally arranged around the outer ring of the spiral shaft; zippers are arranged at open ends of the bag bodies; and closed ends of the bag bodies are connected with the spiral shaft through the connecting strips. When the classifying pen bag is used, different classes of stationery are put into the bag bodies according to using needs and classes; after all the bag bodies are full, the whole pen bag is cylindrical, is very convenient, quick, time-saving and labor-saving to find and take out the stationery, can reduce damage caused by mutual friction and collision between different classes of