The invention relates to the technical field of pit digging devices, in particular to a positioning and pit digging device facilitating young seed particle discharging for agricultural planting, which comprises a first motor, a second motor, a first electric push rod body, a second electric push rod body, a first rotating rod, a first gear, a second gear, a connecting rod, a fixing plate and a first threaded hole, wherein a fixing bolt is movably connected into the first threaded hole, a groove is formed in the top end of the fixing plate, and a roller is movably connected into the groove. Through the arrangement of the first motor, the second motor, the first electric push rod body, the second electric push rod body, the first rotating rod, the first gear and the second gear, the operation simplicity is effectively improved, the linkage of the device is improved, the pit digging effect is improved, the pit digging speed is increased, in addition, the operation process is simple, the device is more convenient to use, manual pit digging in the past is avoided, accurate positioning can be realized, and the high efficiency and accuracy of the device are embodied.