PURPOSE: A clothes drier is provided to easily perform the opening or the closing of a pipe. CONSTITUTION: A heating element is built in a heater unit(100). A clothes drying unit(200) is connected to the heating element through a pipe. An inhaling fan(300) is installed in the connection part of the pipe and the heating element or the pipe. Opening and closing means(400) are installed in the connection part of the clothes drying unit and the pipe. The opening/closing means opens and closes the inside of the pipe. A rotational plate opens the inside of the pipe by the inclination of the rotating plate.