Sweating blanket is a kind of household appliance, and its working principle is to make people sweat by electric current heating, thus achieving the effect of expelling moisture and cold in the body. Sweating blanket usually consists of host, electric blanket and controller. When in use, the electric blanket needs to be laid flat on the bed, and then the main machine is placed on the bedside or bedside, and the temperature and time are adjusted by the controller, so that the electric blanket generates heat and makes people sweat.