A splicing display screen is provided. The splicing display screen includes a circuit board, a plurality of display panels, and a plurality of first metal lines. The circuit board includes a plurality of circuit areas, and each of the circuit areas includes one of mounting areas and one of electrical connection areas. A plurality of first metal parts are disposed in the electrical connection areas. The display panels are disposed on the circuit board and positioned in the mounting areas, and metal connection pads on the display panels are electrically connected to the first metal parts by the first metal lines.