The utility model discloses a kind of operating personnel multifunctional tool knives, belong to tool knife technical field, the operating personnel multifunctional tool knife, including mounting plate, two between the inside of mounting plate Fixedly connected with first connecting rod, second connecting rod and third connecting rod, installation selection component between the first connecting rod and second connecting rod, the selection component has the function of switching different key, the utility model is equipped with selection component, allow user to select necessary function according to specific task, avoid tool integration unnecessary function to cause volume too big, operation is complicated, and let tool quickly adapt new scene, without overall replacement, prolong the service life of tool, improve equipment utilization, by setting mounting plate, the surface of arc mounting plate can be naturally attached to the physiological arc of palm inside, compared with flat mounting plate, can significantly increase the contact area of tool and hand, can greatly improve friction, reduce the risk of tool accidentally slipping from hand.