“生物链”技术是我市农村能源系统多年研究的一项综合配套技术，九十年代初开始示范推广，近年来得到较快发展。本文着重介绍全市推广“生物链”生态养殖工作情况。 The “bio-chain” technology is a comprehensive supporting technology for many years in rural energy system in our city. Demonstration and promotion started in the early nineties and developed rapidly in recent years. This article focuses on the city to promote the “bio-chain” ecological farming work.