The invention provides machine barrel machining equipment capable of adjusting the cutting depth. The machine barrel machining equipment comprises a bottom plate, a supporting plate device, a jacking device, a bracket device, a lever device, a transverse plate device, a cutting device and a motor device, wherein the bottom plate is provided with a first supporting rod, a first fixed rod and a second fixed rod which are located above the bottom plate; the supporting plate device comprises a supporting plate, a first vertical rod, a first bracket and a first transverse rod; the jacking device comprises a first pulling wire, a second bracket, a second vertical rod, a first spring, a second transverse rod and a lifting block; the bracket device comprises a second supporting rod, a third transverse rod, a fourth transverse rod and a first rolling wheel; the lever device comprises a third supporting rod, a first connecting block, a lever, a second spring, a first fixed ring, a second pulling wire, a connecting frame, a handholding part, a third bracket, a second rolling wheel and a third spring; the transverse plate device comprises a transverse plate, a third vertical rod and a third rolling wheel. The machine barrel machining equipment provided by the invention can be used for effectively cutting a machine barrel and can be used for controlling the cutting depth.