<p>A heat preserving bowl comprises a bowl body (2) and an electric heating piece (3) detachably mounted to the bottom of the bowl body (2). The electric heating piece (3) is circular in shape matched with the annular bottom of the concave bowl body (2). The electric heating piece (3) is inserted into the annular bottom to be mounted onto the bowl body (2). The heat preserving bowl can heat the bowl body (2) when in need, and be used as portable as a common bowl, and good for cleaning the bowl and maintaining the heat preserving performance.</p>
