The present invention relates to a filter box for an intestinal canal bag, which is provided in a gas discharge hole formed in an upper portion of the inlet, in which an outlet is formed at a lower portion and an inlet is formed at an upper portion thereof, An attachment portion including an exhaust hole and an adhesive member provided on a bottom surface thereof And an exhaust part protruding from the attachment part, wherein the exhaust part has a second exhaust hole formed at an upper portion thereof to communicate with the first exhaust hole, and a second exhaust hole formed at a predetermined height from the attachment part along the circumference of the first exhaust hole And a filter box for an intestinal tract pocket in which a tuck portion is formed inside.Further, according to the present invention, the exhaust unit is characterized by a filter box for an intestinal canal containing a filter in a space between the second exhaust hole and the inner jaw.Further, in the present invention, the filter is characterized by a replaceable filter bag for a superficial pouch.Therefore, according to the filter box for an intestinal tract bag according to a preferred embodiment of the present invention, gas from the intestinal tract pouch can be discharged to the outside by being attached to the intestinal tract pouch,In addition, according to the filter box for an intestinal tract bag according to a preferred embodiment of the present invention, a filter is provided inside the gas outlet so that the fear that the defecation residue may be discharged together with the second exhaust hole during gas discharge can be prevented .According to a preferred embodiment of the present invention, there is an effect that the use period of the filter can be increased because the remainder residue does not directly touch the filter by the jaw provided inside the exhaust part.In addition, according to the filter box for an anterior cannula in accordance with a preferred embodiment o
