Bidet

A bidet, comprising:

• a main body mounted at an upper side of a toilet bowl, wherein a ceramic ware containing an excrement of a user is formed in the toilet bowl;
• a toilet seat provided to the main body and forming a seating surface on which the user sits;
• a cleaning nozzle coupled to the main body and spraying cleaning water to wash the user's body;
• a pollution prevention module provided to the main body and including an outlet for discharging pollution-preventing water to prevent contamination of the cleaning nozzle;
• and
• a controller configured to control an operation of the pollution prevention module,
• wherein the outlet of the pollution prevention module discharges the pollution-preventing water to a front surface of the cleaning nozzle so that a surface of the main body is opened at a position spaced upward from the cleaning nozzle, and a pollution-preventing water film is discharged from the outlet into the ceramic ware of the toilet bowl to block a space between the user and the cleaning nozzle, and
• wherein the controller is configured to control the pollution prevention module to discharge the pollution-preventing water when the toilet seat is rotated upward.