Agricultural multifunction unit

The utility model discloses an agricultural multifunction unit, and relates to the technical field of a design of farm machinery. The agricultural multifunction unit comprises a draft gear, a medicine sprayer, and at least one laminating seeding device, wherein each laminating seeding device respectively comprises a rack and a drag rod; laminating walking wheels are respectively arranged at two sides of the rack through movable racks; colter racks are respectively arranged on the movable racks at the outer side of each laminating seeding device; a mulching film mounting base is arranged at the front end of each colter rack; a second covering colter is arranged at the rear end of each colter rack; a first covering colter is arranged on the colter rack between the mulching film mounting base and the second covering colter; an adjusting cross bar is arranged between the two colter racks; a trash trenching mechanism and a seeding mechanism are arranged between the first covering colter and the second covering col