Electric heating anti-freezing water trough

The utility model provides an electric heating anti-freezing water trough which comprises a water trough body and a heat conduction column, one side wall of the heat conduction column is provided with an arc-shaped face matched with a pre-buried pipe, the heat conduction column and a clamping barrel are clamped and fixed to the pre-buried pipe, a vertical hole is formed in the heat conduction column, a first heating rod is inserted into the vertical hole, and a detachably-connected cover body is arranged at the top of the heat conduction column. A heat preservation shell is fixedly attached to the outer walls of the heat conduction column, the clamping barrel and the water trough, a water supplementing pipe is fixed in the side wall of the heat preservation shell of the water trough, a pipe opening of the water supplementing pipe is formed in the water trough, and the bottom of the water supplementing pipe is fixedly connected with the embedded pipe through a sealing connecting piece. According to the electri