Display screen and display system

The invention relates to a display screen, which comprises a lamp point clamping strip, a connecting wire and a lamp strip; the lamp point clamping strip comprises a clamping strip body, the clampingstrip body comprises a first terminal and a second terminal, and the first terminal and the second terminal are respectively arranged at two end parts of the clamping strip body; when the adjacent lamp point clamping strips are connected to form display rows through the first terminal and the second terminal, the display row is arranged in a first direction; the lamp point clamping strip further comprises first lamp holders which are arranged on the clamping strip body at intervals; the connecting wires are arranged in a second direction, the second direction is vertical to the first direction, and the connecting wires are connected with the lamp point clamping strips in each row of the display rows; the lamp strip comprises a plurality of lamp points and signal wires connected with the lamp points, the signal wir