A kind of insect guard system,Include: a shell,With a plurality of coverboards being mutually pivoted,Make optionally to open between a plurality of coverboards and show a unfolded state,Or closure shows a lid conjunction state,And each coverboard surface is respectively equipped at least one first opening； An at least dictyosome,Containing volatile insect prevention medicament,And cover above-mentioned first opening of what； And an at least fixing means,Above-mentioned dictyosome is installed to the first opening side of the fixed above-mentioned coverboard of what； Thereby,The insect guard system in use,Its coverboard, which can be opened, shows a unfolded state,The service efficiency of propose Noboru insect prevention medicament can be reached so that the contact area of dictyosome and air is significantly increased and sharp what carries out the practical improvement of replacement operation.一種防蟲裝置，包含：一殼體，具有複數個相互樞設的殼板，使複數個殼板之間可選擇性地開啟呈現出一展開狀態，或閉合呈現出一蓋合狀態，且每一個殼板表面分別設有至少一第一開口；至少一網體，含有揮發性的防蟲藥劑，並且覆蓋於上述第一開口；以及至少一固定手段，將上述網體裝設固定於上述殼板的第一開口一側；藉此，所述防蟲裝置使用時，其殼板可開啟呈現出一展開狀態，以大幅增加網體與空氣的接觸面積而能夠達到提昇防蟲藥劑之使用效率且利於進行更換作業之實用進步性。
