PURPOSE: To miniaturize a washing device at a low cost by providing a first washing nozzle with an oscillating jet current, a second washing nozzle with a fixed jet in the approximately fixed direction and a flow controlling device for controlling the flow of washing water to the washing nozzles.

CONSTITUTION: When a user wishes to choose in a soft anus washing in a wide range, in the case a washing switch of a control panel is pushed, a stopper of a flow controlling device 14 is turned, a control port and an output port are linked with each other, and washing water is changed into an oscillating jet and is injected from a first washing nozzle 10. When the user wishes to choose the spot and strong anus washing, in the case a second washing switch is pushed, the washing water is changed to a concentrated jet fixed in the fixed direction and is injected from a second washing nozzle 11. In the case of bidet washing, when a third washing switch is pushed, a washing waterway of the flow controlling device 14 is connected to the third washing nozzle 12, and the washing water is injected to the private parts of a woman. Accordingly, an optimum washing jet pattern can be selected in accordance with liking and health conditions of the user.