Anti-collision protective device and LED display screen with anti-collision protective device

The invention provides an anti-collision protective device and an LED display screen with the anti-collision protective device. The protective device comprises a protecting sheet, a rotatable structure, a fixing shaft and a spring. The fixing shaft is installed in a box body, and used for fixing the protective device. The box body is used for installing parts needed to be protected. One end of the rotatable structure is rotated around the fixing shaft, and the other end is connected with the protecting sheet. The spring is sheathed on the fixing shaft. The spring is used for providing the elastic force so as to enable the protecting sheet to stick to the outer side of the box body. The height of the protecting sheet exceeds the height of the parts needed to be protected. A positioning pin on the surface of the box body on which the other display modules are positioned and which is opposite to the surface sticking to the protecting sheet is used for realizing the automatic movement of the protecting sheet in t