Portable heating cup

The utility model discloses a portable heating cup which comprises a cup body, a cup cover and a cup bottom assembly, the two ends of the cup body are communicated with the outside, the cup cover is connected to the upper end of the cup body in a threaded mode, the cup bottom assembly is connected to the lower end of the cup body, the cup bottom assembly comprises a cup bottom shell, a heating module, a power supply module, a touch display module and a master control PCB are installed in the cup bottom shell, and the heating module comprises a heating disc. The heating disc is fixedly connected to the lower end of the cup body, the lower end of the heating module is detachably connected with a circular fixing part, the edge of the fixing part and the cup body can reduce an alternating current power supply PCB and a direct current power supply PCB of high-voltage alternating current voltage, and the direct current power supply PCB is provided with a power supply protocol chip capable of adapting to different a