Poria cocos planting pit digging device

The utility model relates to the technical field of poria cocos planting, in particular to a poria cocos planting pit digging device which comprises a fixing frame, a pit digging mechanism is arranged on the fixing frame, and the fixing frame comprises two first supporting rods with the same size and two second supporting rods with the same size. Two first connecting rods and two second connecting rods are fixedly welded between the two first supporting rods and between the two second supporting rods correspondingly, a connecting plate is tightly welded between one first connecting rod and one second connecting rod, and an air cylinder is fixed to the upper surface of the connecting plate. A planter pushes a push handle to control the rolling direction of a first moving wheel and a second moving wheel, labor is saved, when digging is needed, power sources of an air cylinder and a motor are switched on, a piston rod of the air cylinder can drive a first mounting plate to press downwards, an output shaft of the