Research on Chinese Household or Livestock Farms Biogas Practical Energy Technologies

China has been actively developing and introducing the Household or Livestock Farms Biogas Practical Energy Technologies, which not only improves the energy efficiency and renewable energy utilization, but also reduces the household energy consumption. Firstly, this paper introduces the present situation of the development of Chinese Household or Livestock Farms Biogas Practical Energy Technologies. Then it further studies the working principles, applicable conditions, the status quo and problems in China of the Household or Livestock Farms Biogas Practical Energy Technologies. Finally, it makes some suggestions such as strengthening the policy support, fully utilizing international mechanism, enlarging the financing channel for practical technologies promotion, and deepening the international cooperation in the field of Household or Livestock Farms Biogas Practical Energy Technologies.