To improve the carrying proterty and always retain the ejecting direction to be constant by constituting the bidet of a flexible water storage bag, a water feed pipe to be inserted in the bag for a water passage, an ejection nozzle attached to the front end, and a circulation valve between the ejection nozzle and the water feed pipe.

This portable bidet A1 is constituted of a water storage bag B1, a water feed pipe C, an ejection nozzle D, a nozzle head E1, and a valve for circulation. The water storage bag B1 is constituted of a front face wall 1 made of synthetic resin film, a rear face wall 2, and a bottom face wall which are welded together with heat. The bottom face wall 3 is arranged to form a gusset between the front face wall 1 and the rear face wall 2 and welded together with heat to constitute the water storage bag B1 part to be compactly folded and further make the bag self-supporting when the bag B1 is filled with water. A sign S shows welding parts. A cylindrical water feed pipe C is welded with heat to the water storage bag B1 to feed water into the bag 51 or remove water out of the bag.