The invention discloses an air conditioning guardrail, and relates to the technical field of guardrails. The air conditioning guardrail comprises a top end handrail, a bottom end handrail and connecting vertical columns. The top end handrail, the bottom end handrail and the connecting vertical columns are made of aluminum alloy profiles or steel profiles, the top end handrail and the bottom end handrail are connected to the upper ends and the lower ends of the connecting vertical columns respectively, the center lines of the top end handrail and the bottom end handrail are vertically intersected with the center lines of the connecting vertical columns, a decoration panel is arranged between the top end handrail and the bottom end handrail, a temperature measuring instrument and a humidity measuring instrument are arranged at the upper ends of the connecting vertical columns respectively, the bottoms of the connecting vertical columns are placed into vertical column supports in a sleeving manner and fixedly connected on the periphery of a platform through fasteners, and the fasteners and the platform are fixed through bolts. The guardrail is safe, reliable, convenient to detach, mount, transport, machine, popularize and apply and low in production cost.