The utility model relates to an use micro -ecological agents's indoor purification, humidification device. This indoor purification of using micro -ecological agents, humidification device, which comprises a housin, in the casing bottom placed weisheng attitude liquid hold the box and the pure water hold the box, weisheng attitude liquid holds box logical pipe and is connected with and is located weisheng attitude liquid and holds the weisheng attitude liquid atomization ware directly over the box, lateral part at weisheng attitude liquid atomization ware is connected with first air -supply line, the first air intake at the casing lateral part is established in the connection of first air -supply line, set up first tuber pipe at weisheng attitude liquid atomization ware top, the first air outlet at the casing top is established to first air -out union coupling, holding the water pipe between box and the weisheng attitude liquid atomization ware, weisheng attitude liquid be equipped with the water pump on, therefore, this structural design is reasonable, it is novel, can utilize micro -ecological agents to come the dust particle in the deposit room, smog, bacterium and harmful gas in the air can degrade, can dispel the peculiar smell in the air, good air -purifying's effect has been played.