The invention relates to a cup realizing light-pervious pattern displaying and automatic stirring functions. According to the cup, a temperature difference electricity generating plate, a motor, a heat absorbing part and a PCB are arranged between the bottom of a liner and the bottom of a shell, and magnets are mounted on a motor shaft; a pattern layer, an LED lamp light-equalizing plate and an LED face light lamp group are arranged between the inner wall of the shell and the wall of the liner; a connector is arranged in the center of the inner side of a cup cover, the connector is sequentially connected with a connecting rod and a grid, the flat bottom of the grid is placed on the bottom of the liner, and magnetic stirrers are arranged in the grid; the hot face of the temperature difference electricity generating plate attaches to the lower bottom of the liner, the cold face of the temperature difference electricity generating plate is connected with the heat absorbing part, the PCB is connected with the temperature difference electricity generating plate, the motor and the LED face light lamp group by adopting leads; after hot water is poured into the liner, the temperature difference electricity generating plate generates electricity which is provided for the PCB, the motor and the LED face light lamp group, the LED lamp light is taken as backlight of a pattern, the homogenized backlight displays the pattern on the shell, and thus the function of displaying the light-pervious pattern is realized; and the motor rotates for driving the magnets and the magnetic stirrers torotatably stir a beverage in the cup, and thus the stirring function is realized.