Metal bath cover capable of being heated

The utility model discloses a metal bath cover capable of being heated, which comprises a cover main body, a fixing hole penetrating through the cover main body is arranged on the cover main body, a metal piece is arranged below the cover main body through the fixing hole, and the metal bath cover further comprises a power switch and a heating device used for heating the metal piece. The control device is used for detecting the temperature of the metal piece and controlling the heating device to heat the metal piece; an adjusting piece used for fixing and adjusting the height of the metal piece is further arranged in the fixing hole. According to the metal bath cover, the temperature of the metal piece is controlled through the heating device and the control device, the metal piece is in contact with the EP pipe cover to heat the pipe cover, it is avoided that a large amount of water vapor in an EP pipe is condensed on the pipe cover, and consequently reaction reagents are reduced, and meanwhile operation pol