In factory hydroseeder for refuse landfill, the mixed slurry contains water-retaining materials and various nutrients, which ensures the sources of water and other nutrients needed for plant growth, so plants can grow healthily and rapidly, and there is no need to replenish water repeatedly. Factory hydroseeder for refuse landfill is suitable for large-scale greening operation, and is suitable for dry areas lacking irrigation facilities. Compared with traditional mechanical operation, it has high efficiency, low cost and low requirements for sowing environment. Because all the materials used are environmentally friendly, it can ensure safety and no pollution.