By studying the actual state of silkraising industry and the weather conditions in Liangshan area, this paper analyses the reasons of previous success of Liangshan's silkworm keeping industry. It also reveals the main impediments to the sustainable development of silkraising industry in Liangshan prefecture, and puts forward three measures which should be taken: inaugurating new pattern of development of sericulture; consummating high-yielding techniques of sericulture; standardizing the management of silkraising industry.