Self ventilated type low -rise building thing

The utility model discloses a self ventilated type low -rise building thing, including wall body and room lid, the inner wall of wall body sets up the first air channel of vertical direction, room cross -section approximately is the arc structure and caping end in room sets up the vent, the inner wall of room lid sets up the second air channel, the one end and the vent of second air channel are linked together, the other end and the first air channel of second air channel are linked together, room lid outer wall sets up uncovered cuboid boss, uncovered cuboid boss is located the vent around for hollow structure, set up the exhaust fan in the uncovered cuboid boss, uncovered cuboid boss upper end sets up the support column, the support column upper end sets up dash board. The utility modeldiscloses indoor area is not only practiced thrift to first air channel, second air channel and vent that the setting is linked together, effectively improves indoor ventilation efficiency moreover. 本实用新型公开种自通风式低层建筑物，包括墙体和屋盖，