PURPOSE: Provided is a portable bidet which includes a ventilation tool to dry a washing part after washing to exclude the use of toilet paper so that it shows effect in reducing contamination around urethra and anus remarkably. CONSTITUTION: The portable bidet comprises the parts of: a reservoir(110) which stores washing water; a main body(120) which is combined with the reservoir in a slid way; plural wind holes which are formed at the upper edge of the main body; a spray nozzle(130) which is placed at the upper edge of the main body to be folded; a blow motor part(140) which supplies wind for the wind hole in permitting driving voltage; a pumping motor part(150) which pumps washing water of the reservoir into the spray nozzle in permitting drive voltage; a power supply part(160) which supplies drive power for the blower motor part and the pumping motor part; and a drive switch(170) which switches power supply into the blower motor part or the pumping motor part as users' operation.