Development progress and current situation analysis of the rural household biogas in China

The development of rural household biogas in China was summarized.There were five development stages on biogas progress in China were proposed.Biogas was always focused by the government and farmers when it was made more widespread in Chinese rural districts in the past;thou it was different in scale and situation for different stages by the restrictions of techniques and popularize,but at last the techniques of biogas was matured gradually.Now biogas is a powerful tool in the Chinese new socialist countryside construction,and the functions,problems and perspective in Chinese rural biogas popularize in the future were analysed.