Disclosed is an electric heating hot-water bag, comprising a heating assembly, a plugging assembly, a high temperature resistant seal ring (16) and a hot-water bag jacket (26), wherein the electric heating hot-water bag is a seal structure in which water and electricity are isolated a heating wire (4) is fixed on a heating disc (3) a heat dissipation plate (6) is mounted on the heating disc (3) an outer base (10) is provided on an upper cover (2) of the heating disc a lower cover (7) of the heating disc, the heating disc (3), the heat dissipation plate (6), the upper cover (2) of the heating disc, and the outer base (10) successively pass through the respective installation hole via a screw bolt (1) and are then fixedly connected a flush plunger (11) and an inner sleeve (12) are provided on the outer base (10), a temperature controller (14) is provided in the inner sleeve (12) a surface of the outer base (10) is connected with the hot-water bag jacket (26) in a sealed manner a wiring board (17) of the plugging assembly is mounted in the inner sleeve (12) one end of a plug power line (23) is connected to a socket (20) the socket (20) is provided in a plug lower cover (19) and the high temperature resistant seal ring (16) is sleeved at a lower end of an electrode plug, and is compressed and sealed after being fixed by a screw bolt (15). A double-insulated, double-protected seal structure isolating water and electricity is used. When the temperature exceeds a normal setting, a temperature controller will encounter start-up damage, and the power source is disconnected to ensure safety during use.Linvention concerne un sac à eau chaude à chauffage électrique, comprenant un ensemble chauffage, un ensemble prise, une bague détanchéité résistant à des températures élevées (16) et une chemise de sac à eau chaude (26), le sac à eau chaude à chauffage électrique étant une structure étanche dans laquelle leau et lélectricité sont isolées un fil de chauffage (4) est fixé sur un