Abstract: A method for emitting volatile substance comprising passing air in one direction into a cylinder inserted into a container wherein is held a solid material containing volatile substance, whereby air may be in contact with the solid material while passing through said container, and a device for carrying out the method comprising the solid material containing volatile substance, the container for holding the solid material, the cylinder inserted into the container, a fan for sucking air into the cylinder to form an air stream axially flowing upward relative to the device, a motor for effecting the rotation of the fan, and an electric circuit for activating the motor.