The utility model provides a semi -automatic grafting machine, the grafting casing body is drawn together to the grafting press packed bale, be equipped with no. 1 drilling, no. 2 drilling, no. 3 drilling, no. 4 drilling and switch button on the casing, and be equipped with the hollow tool bit of toper, trapezoidal hollow tool bit a, trapezoidal hollow tool bit b, trapezoidal hollow tool bit c, 5 gearboxes, motor spindle, motor and batteries in it, the hollow tool bit of toper, trapezoidal hollow tool bit a, trapezoidal hollow tool bit b and trapezoidal hollow tool bit c all are located 5 gearboxes, 5 axle gearbox and motor pass through motor spindle and connect, motor and battery pass through the connection of electric lines, switch has been met on the electric wire, the utility model has the advantages of save time save labour, the high efficiency, having saved original numerous and diverse process, saving a large amount of manual works and the means of production, it needs manual operation, size to lean on the technical staff to rely on the experience entirely to master, be not the problem of everybody technique that can all master to have solved prior art.