The invention discloses an automobile part cutting device convenient to operate and relates to the technical field of cutting equipment. The automobile part cutting device convenient to operate comprises a box body. Fixing grooves are formed inside the left side wall and the right side wall of the box body correspondingly. The top and bottom of the inner wall of each fixing groove are fixedly connected through a fixing rod. The top of the side surface of each fixing rod is connected with a lantern ring in a sleeved manner. The bottom of each lantern ring is fixedly connected with the bottom ofthe inner wall of the corresponding fixing groove through a spring, and the opposite sides of the two lantern rings are each fixedly connected with a connecting rod. The automobile part cutting device convenient to operate is provided with the fixing grooves, the fixing rods, the lantern rings and the springs; force is applied to the lantern rings; the lantern rings can move up and down along thefixing rods; when no external force is applied, the springs in the compressed state drive the lantern rings to return to the original positions, and workers can control the cutting position of an automobile part conveniently; and work efficiency of the workers is improved. The automobile part cutting device is provided with a cutting outer shell.