Biomass fuel pellet mill is a dry and wet general-purpose raw material processing equipment, mainly suitable for feeding mouth diameter of less than 120mm of various wood raw materials, such as wood logs, miscellaneous wood, roots, branches, twigs, bark, leaves, waste wood shavings, bamboo, bamboo bark, bamboo, charcoal, etc., but also for straw, husk, thatch, corn stalks, wheat straw and other non-wood raw materials, peanut seedling, sweet potato seedling, peanut skin, dried weeds, rice husk, starch, shells, potato residue and other woody or non-woody raw materials.