The utility model discloses a heliciform combination fertilizer unit, it is main including arranging fertile axle, slope heliciform roller, baffle, both ends baffle and being used for adjusting the cylinder wheel of rate of fertilizer application, it has slope heliciform roller to arrange fertile epaxial evenly distributed, separates through the baffle between the slope heliciform roller, and theappearance of low pulsation phenomenon falls in continuity and homogeneity that the spiral equipartition structure of slope heliciform roller can the row's of assurance fertilizer. Slope heliciform roller can be with the replacement of cylinder wheel, slope heliciform roller can be coordinated between 1~4, and what replace then is with the replacement of cylinder wheel. This heliciform combinationfertilizer unit can realize in succession, even row is fertile and prevent that blockking up from appearing in the slotted hole. This heliciform combination fertilizer unit's fertilizer applying amount control range is big, and simple structure is applicable to the smart volume of multiple crops such as rape, rice, maize and supplies fertilizer, and can show improvement work efficiency.