To provide a filth suction apparatus which easily disposes filth such as excrement, is sanitary, is easily maintained and is easily carried when going out or going out for a drive or the like.

A negative pressure supply pipe and a suction pipe for sucking a suction object are connected to a lid part, a bag opening negative pressure supply port whose opening is mounted between a main body part and the lid part is provided on the main body part, the bag opening negative pressure supply port is connected to a negative pressure formation part by a bag opening negative pressure supply pipe, and a storage bag opening means is provided on at least one of the negative pressure supply pipe and the bag opening negative pressure supply pipe.