The invention discloses a multifunctional kiwi fruit planting fertilizing device which comprises a device frame body, movable wheels, a fertilizing device body, movable handles, protective sleeves, afirst connecting rod, a soil breaking plate, a discharging pipe, a connecting frame, a second connecting rod, a mixing drum structure, a proportional placement box structure, a supporting wheel structure and a soil collecting disk structure. The movable wheels are mounted at the left end of the device frame body through bolts, the fertilizing device body is mounted on the right side of the upper surface of the device frame body through bolts, and the protective sleeves sleeve the right ends of the movable handles. The multifunctional kiwi fruit planting fertilizing device has the advantages that different fertilizers can be more uniformly mixed by the aid of the mixing drum structure, the problems of incapability of uniformly mixing the fertilizers and easiness in failing to reach specified fertilizer proportion needed by plants are avoided, the different fertilizers can be conveniently placed into the proportional placement box structure by the aid of the proportional placement box structure, and the fertilizers with different quantities are also conveniently placed.