Agricultural machinery refers to various machines used in the process of crop planting and animal husbandry production, as well as in the primary processing handling of agricultural and livestock products. Agricultural machinery includes agricultural power machinery, farmland construction machinery, soil cultivation machinery, planting and fertilizing machinery, plant protection machinery farmland drainage and irrigation machinery, crop harvesting machinery, agricultural product processing machinery, animal husbandry machinery, and agricultural transport machinery, etc. Broadly speaking, agricultural also includes forestry machinery, fishery machinery, and silkworm, beekeeping, and edible fungi cultivation machinery, which are sideline agricultural machinery. Agricultural machinery is a concept, referring to all machines used in agriculture, animal husbandry, forestry, and fishery. Agricultural machinery belongs to the category of agricultural tools. The promotion and of agricultural machinery is called agricultural mechanization.