The invention relates to the technical field of highway protection facilities and discloses a combined guardrail which is used for protecting highway construction regions and protecting opening parts of medial strips and has better movement convenience and protection safety. The combined guardrail disclosed by the embodiment of the invention comprises a plurality of guardrail sections, wherein adjacent guardrail sections are detachably connected through pin rods; each guardrail section comprises a body and at least one upright column which is fixedly connected with the body and can be in plug-in mounting on the ground; the plurality of guardrail sections include at least two fixed guardrail sections and at least one movable guardrail section, and at least one movable guardrail section is arranged between two adjacent fixed guardrail sections; and the body of each fixed guardrail section is in anchored connection with the ground.