The invention relates to a nano membrane aerobic composting device for livestock manure. The device comprises a host, a supply duct, an anti-seepage layer, a composite nano membrane, a sealing device,a multi-point temperature sensor, a moisture content sensor and an oxygen concentration sensor. The device is outstanding in environmental protection, involves composting between open and closed aerobic composting, and is suitable for treating the livestock manure in situ or near a farm to avoid secondary pollution caused by transfer; the composite nano membrane effectively blocks the emission ofharmful substances such as odor, pathogenic bacteria and aerosol, the environmental condition in the membrane is efficiently controlled to form an internal environment suitable for microbial life metabolism, and the composting fermentation process is effectively controlled through a feedback regulation mechanism, so that the livestock manure is composted more thoroughly and the cost is lower. Thedevice has simple requirements for sites, does not need to build a factory building, can be used in the open air, is easy to operate, automatic in operation and unmanned, and can be monitored and controlled remotely to save labor and time.