The invention provides a portable toilet, wherein the degree of freedom for seating the feet and the legs of users is improved on the basis that the installation space of the armrests of a toilet seat can be ensured. Meanwhile, users can sit deeper at the rear side of the toilet seat with fewer actions. According to the invention, the planar part of the portable toilet is approximately rectangular in shape. The two sides of the front edge of the toilet seat are protruding backwards to be bent and receded compared with the front end of the opening part of the toilet seat, so that the degree of freedom for seating the feet and the legs of users is improved. Meanwhile, users can sit deeper at the rear side of the toilet seat with fewer actions.
