Power embossing wire and flexible flat cable are cables with different uses. Power supply voltage line is mainly used for the power line interface of electronic products, which can ensure the stable transmission of power to electronic products. Flexible flat cable is mainly used in electric furniture products such as mattress heaters, electric stoves and electric blankets, which can convert electric energy into heat energy to heat objects. Therefore, although the power supply embossed line and flexible flat cable are similar, their application ranges are different, so they should be selected and used according to actual needs.