The swine industry plays an important role in Taiwan. From the perspective of human ecosystem, the paper begins by examining changing hog geography in Taipei. Then, the paper takes Linkou District for example, and closely coupled to these changing hog configurations is also changing relationship with fecal matter and energy recycling. These changes worked in complex ways, reflecting on (1) the distribution of swine industry in Taipei, (2) the range of collecting hog’s food , the way of reusing hog’s waste and the way of marketing.