Hand warmer with grip exercise function

The utility model discloses a hand warmer with a grip strength exercising function. The hand warmer comprises a flexible packaging layer, a heating layer, a base plate, a grip strength exercising assembly, a temperature sensor, a main control module and a power module. The heating layer is tightly attached to the inner wall of the flexible packaging layer, and the substrate is fixedly arranged on the inner side of the heating layer. The grip exercise assembly comprises a torsional spring and an arc-shaped handle, the torsional spring is fixed to the base plate, one end of the arc-shaped handle is connected with the torsional spring and can swing in a reciprocating mode, and one side of the arc-shaped handle extends out of the flexible packaging layer outwards and forms a handheld part. The temperature sensor is embedded in the flexible packaging layer, the heating layer and the temperature sensor are respectively connected with the main control module, and the main control module is connected with the power s