The invention discloses an environment-friendly high-strength fragrant wood-plastic material and a preparation method thereof. The environment-friendly high-strength fragrant wood-plastic material isprepared from the following raw materials in parts by weight: 60-70 parts of amino resin, 7-9 parts of modified bamboo powder, 7-9 parts of modified diatomite, 8-14 parts of acrylate impact modifier,5-7 parts of coupling agent, 8-10 parts of mixing rubber, 30-40 parts of waste straw, 20-30 parts of waste wood, 3-5 parts of heat stabilizer, 12-18 parts of natural plant essential oil, 8-12 parts offlame retardant additive, 8-12 parts of wear-resistant additive, and 10-14 parts of processing agent. The wood-plastic material disclosed by the invention is good in wear resistance, good in corrosive resistance, flame retardant, free from formaldehyde and free from pollution; furthermore, the wood-plastic material is excellent in antibacterial performance, mothproof, humidity resistance and capable of purifying the air; the product emits the plant fragrance; and meanwhile, the preparation method disclosed by the invention adopts a large number of waste wood materials, the resource is saved,the environment is protected, the cost is low, the raw materials are easy to obtain, and the process is concise. The environment-friendly high-strength fragrant wood-plastic material has high practical value and good application prospect.