The curling machine for irregular end is used to curl the edge of irregular end. It is an important device. The irregular can is pressed by the punch which has the disadvantage of high cost, low qualified rate and low efficient. The new type of curling machine for irregular end was designed which had the advantages of compact structure, simple operation, steady performance and the replacement of die was easy. It was suitable for different shapes of end. Applications show that the new type of curling machine for irregular end has lower consumption, lower cost and higher efficient than the other curling machine.