生态家园富民计划是我国农村的能源建设项目,特别是沼气建设的完善和发展对于解决贫困地区的“三农”问题,全面建设小康社会以及生态环境建设,都起到了十分重要的作用。全国各地农村相继开发了“猪-沼-果”、“猪-沼-鱼”、“猪-沼-草-牛(羊)”等以沼气为纽带的生态家园建设模式 Efforts to build a prosperous and ecological homeland are the energy construction projects in rural areas in our country. In particular, the improvement and development of biogas construction play an important role in solving the “three rural issues” in poverty-stricken areas and in building an overall well-to-do society and in building an ecological environment. The rural areas in the country have successively developed eco-homestead construction mode with biogas as their link, such as “pig-marsh-fruit”, “pig-marsh-fish”, "pig-marsh-grass-cow