The invention discloses environment-friendly biomass fuel, and relates to the technical field of biological environmental protection. The environment-friendly biomass fuel comprises sawdust, peanut hulls, tree leaves, soybean straw, sweet potato vines and diatomaceous earth. The environment-friendly biomass fuel has the advantages that materials for the environment-friendly biomass fuel which is biomass granular fuel are extensive, and the environment-friendly biomass fuel is little in pollution and high in density and briquetting ratio, has a high heat value and conforms to the environment-friendly, energy-saving, renewable and recyclable energy utilization and development trend.