The utility model provides a maize multifunctional integral machine, comprising a frame body, fertilizer injection?unit, pesticide sprinkler, drip irrigation zone laying device, the tectorial membrane device, maize bunch planting device and face firming device, fertilizer injection?unit joins in marriage the front end of dress at the support body, pesticide sprinkler joins in marriage the dress on the support body, and be located fertilizer injection?unit's rear end, drip irrigation zone laying device joins in marriage the dress on the support body, and be located pesticide sprinkler's rear end, the dress is joined in marriage on the support body to the tectorial membrane device, and be located burette area laying device's rear end, the dress is joined in marriage on the support body to maize bunch planting device, and be located the rear end of tectorial membrane device, the rear end of dress at the support body is joined in marriage to face firming device, the dress traction frame is joined in marriage to the front end of support body, the dress is joined in marriage with farm tractor to the traction frame. Adopt the utility model discloses a fertilize, spray insecticide, lay drip irrigation tub, the integral operation of tectorial membrane, seeding and firming, and can be according to the row spacing and the plant spacing of different demands adjustment seeding.