Steering wheel for heavy duty cars

A steering wheel for heavy duty cars resolves problems that when driving the existing heavy duty trucks, drivers need to invoke menus by aid of control of consoles, can operate steeling wheels only by single hands when receiving or making calls, and then are easy to be distracted during driving, thereby causing traffic accidents. The steering wheel for heavy duty cars comprises a steeling wheel body and an upper cover, wherein the upper cover is provided with a switch, the switch is connected with the integral circuit by aid of a switch control cable through a spiral cable, and simultaneously an installation space for an air bag restraint system is reserved on the steeling wheel body, and then drivers can control menus on the steeling wheel and receive or make calls, thereby bringing more convenience for the drivers and reducing accidents.