Protruding road sign with built-in fastener

The utility model belongs to the technical field of road signs, and particularly relates to a protruding road sign with a built-in fastener, which comprises a road sign main body, a fixing piece is mounted in the road sign main body, the fixing piece is detachably connected with a fixing rod, internal threads are formed on the inner circumference of the fixing piece, a first connecting part is formed at one end of the fixing rod, and a second connecting part is formed at the other end of the fixing rod. By means of the design of the built-in fastening piece, the fixing rod is detachably connected with the fixing piece in the road sign body through the threads so as to be convenient to disassemble, assemble, maintain and replace, the fixing part is formed at the other end of the fixing rod, and therefore the fixing piece is convenient to disassemble, maintain and replace, and the service life of the road sign is prolonged. In the actual installation process, the place where installation is needed is punched, t