The electric hot water bottle adopts steam intelligent induction control, overheating protection, automatic power-off when water is boiled, anti-dry-burning power-off, and an appliance with heat preservation function. Now it is widely used in homes and offices as a kind of small household appliances that boil water and have heat preservation function at the same time. Electric thermos has the characteristics of convenience and speed, and now it has gradually entered the homes of ordinary people and become a member of small kitchen appliances. The difference between an electric thermos and an electric kettle is that the electric thermos has a dual function, which can boil water and keep warm.