A portable urination device comprises a guiding body and two connection units. The guiding body has a guiding portion, a first port and a second port. The guiding portion is formed of two side walls, and the bottom edge of the side wall is of a closed structure. The first port and the second port are oppositely disposed and are respectively located at two ends of the guiding portion. The two connection units are respectively extended between the first port and the second port of the guiding body. The two connection units are used for the user operation, the first port is used for receiving urine of a user, and the urine is discharged from the second port through guiding of the guiding portion, or discharged from the first port after buffering of the guiding portion. The urination device is easily used, and the user is dispense with contacting the public toilet stool.