Southern understory forage,as a new economic model,have achieved the sustainable development and rational use of energy resources and forestry. Understory forage briquetting is not only suitable for storage,transport and commercialization,but also beneficial to the quality of hay and income increases of farmers. This paper explored the different briquetting factors and nutritional value in clover and bahia grass. The experiments showed that the best briquetting holding time for clover was 60 s to 90 s,while bahia grass was 80 s...