To provide a CRT protector that can cope with the protection of the periphery of the CRT of any size and can easily be disassembled to improve its recycle rate.

The CRT protector is configured with a jointing frame structure consisting of 4 frames 2-5, fitted to four surrounding sides (the upper, lower, left and right sides) of the CRT 1 respectively and four corner jointing members 6-9 integrally jointed to the four corners of the CRT 1 with 4 frames 2-5, and each metal fixture 11 fitted to the four corners of the CRT 1 is screw-tightened to the corner jointing members 6-9.