The invention discloses an environmental-friendly disposable plant fiber tableware which comprises the following raw materials in parts by weight: 10-18 parts of rice husk, 15-25 parts of corn straw, 10-20 parts of dried straw, 2-4 parts of starch, 8-14 parts of an adhesive, 4-10 parts of processing aids, 2-4 parts of plant albumen glue and 1-3 parts of plant polysaccharide. The disposable tableware disclosed by the invention is non-toxic and harmless, is relatively good in mechanical property, relatively good in mechanical strength and toughness, green and environmental-friendly in raw material, relatively good in degradability, wide in raw material source, safe and reliable in component, harmless to human bodies, low in cost, safe and convenient, simple in preparation process and has relatively high practical values and good application prospects, both resources are saved and environment pollution is reduced, and comprehensive utilization of agricultural wastes is achieved.