Breathing type roof insulation structure

The utility model discloses a breathing type roof insulation structure. The breathing type roof insulation structure comprises one or more layers of self overhead plate laid on the base surface of a roof and insulating mortar poured to a top self overhead plate, a cavity is respectively formed between the adjacent self overhead plates as well as between a bottom self overhead plate and the base surface of the roof, the insulating mortar is provided with a hole, and an exhaust pipe is arranged in the hole for discharging moisture. The breathing type roof insulation structure uses the self overhead plates, the exhaust pipe and the insulating mortar in organic combination to integrate insulation, moisture barrier, moisture exhausting into one structure, thereby simplifying the roof structure. Therefore, the roof structure can efficiently discharge moisture to keep dry, improve the integrity and durability of the roof structure as well as effects of heat insulation and moisture barrier and exhausting, and has low construction costs and high efficiency of construction.