A kind of structure-improved of flytrap includes: an ontology is equipped with a body cap, which is equipped with multiple apertures, the hollow cone of one top tool open-work of each aperture combination, while each corner of body bottom portion is respectively provided with engaging portion; And a bait dish, cooperate the size of ontology and set, each corner is equipped with bracket, for combining the engaging portion of what body bottom portion; Thereby, through the bait in bait dish with attracting flies, when fly being made to fly up upwards, body interior person is flown into along hollow cone.一種捕蠅器之改良結構,包含:一本體,配設有一本體蓋,該本體底部設有多個開孔,每一開孔結合一個頂部具透孔的空心錐,同時本體底部各角落處各設有結合部;以及一誘餌盤,配合本體的大小而設,其各角落處突設有支架,供結合於本體底部的結合部;藉此,透過誘餌盤上的誘餌以吸引蒼蠅,使蒼蠅向上飛起時,順著空心錐飛入本體內部者。