To provide a portable dirt container simply charging dirt of pet, etc., inhibiting emission of odor.

The portable dirt container comprises a cylindrical flexible body having openings on the bottom and the top, a plurality of multipolarly magnetized sheets magnetized in a predetermined interval stuck on the inside face of the top opening part of the body, and a water resistant paper bag housed in the body and having an opening and sealing means on the upper part, wherein the opening/closing is carried out by attractiveness and repellence of the magnetized sheets stuck on the inside face of the upper opening of the body.