Abstract: In strict accordance with the marsh gas microbial survival conditions, the activity rule construction of biogas digesters, meet the necessary basic conditions of artificial production of biogas, strengthen day-to-day management, control the fermentation process can significantly improve the rate of gas production,methane-generating pit for lasting stability and balanced gas production gas well, Mong Kok, provides more organic biogas fertilizer.In this paper, has long been engaged in the rural household biogas work on the basis of, linking theory with practice,to systematic summarize on operation management of Southern rural household biogas.