The invention discloses a planting machine which comprises a trolley frame, walking land wheels, a first driving device, a speed changer, a seedling feeder and a planting mechanism, wherein the firstdriving device is connected with the walking land wheels through the speed changer, and the seedling feeder and the planting mechanism are respectively arranged on the trolley frame; the planting mechanism comprises a planting duckbill and a driving mechanism, the driving mechanism is used for driving the planting duckbill to do up-down reciprocating motion along an arc track, and the highest point of the arc track is right under the seedling feeder; the driving mechanism comprises a lever, a cam and a second driving device for driving the cam to rotate, one end of the lever is connected withthe planting duckbill, the other end abuts against the surface of the cam, the cam is arranged on the upper side of the other end of the lever, and an opening device with a delay function is arrangedat the bottom of the planting duckbill. Thus, compared with the prior art, the planting machine disclosed by the invention can very well plant seedlings into soil; the planting machine is not only suitable for irrigated land planting, but also suitable for dry land planting.