Vehicle-mounted fertilizer distributor

The utility model belongs to the field of fertilizer distributor equipment. The utility model relates to a fertilizer distributor, in particular to a vehicle-mounted fertilizer distributor. The fertilizer distributor comprises a transmission mechanism, a fertilizer distributing mechanism and a fixing mechanism, the fertilizer distributor is mounted at the tail end of the vehicle body loading hopper by virtue of a fixing mechanism; the transmission mechanism comprises a driving chain wheel, a clutch mechanism and a fertilizer box driving wheel, wheels of the vehicle body are coaxial and fixedlyarranged on the outer sides of the wheels, the driving chain wheel and the wheels rotate synchronously, and rotating force of the wheels is transmitted to the fertilizer box driving wheel through thedriving chain wheel via the clutch mechanism in a chain transmission mode. The fertilizer spreading mechanism comprises a fertilizer bin, a fertilization box and a fertilizer falling pipe; a plurality of fertilization boxes w