Multifunction hot and cold cups

The utility model discloses a multifunctional cold and hot water cup for drinking water in daily life. The water cup comprises an inner cup body, an outer cup body, a cavity, a cup cover, a cup bottom, a seal ring, an annular cotton lining, a water injecting opening, a water injecting opening cover, a nixie tube, a temperature sensor, a battery and a microcontroller. The multifunctional cold and hot water cup has cooling, warm-keeping and temperature indicating functions and is simple in structure, the warm-keeping function or the cooling function can be selected according to demands, and the requirements of people for drinking temperature are conveniently met.