The utility model provides a pair of combined material rail guard, it includes entablature 1, bottom end rail 2 and first stand 3 and second stand 4, the coexistence post is the pipe, sets up lower margin pipe 5 in the lower part of coexistence post, the both ends of entablature link firmly one respectively integrated into one piece and connect cap spare 1a, and it is closed that every should connect cap spare upper end, and the lower extreme is equipped with the opening, makes through this opening connect cap spare and detain admittedly in the upper end of this first stand and second stand, make this entablature fix the upper end at this first stand and second stand, the both ends of this bottom end rail link firmly an eyelet thimble 2b respectively integrated into one piece, and two these eyelet thimbles overlap respectively to be established on this first stand and second stand, sets up positioner between first stand of this eyelet thimble and this and the second stand. This prior art compares, and this rail guard part quantity has reduced, and the installation also becomes very convenient.