Abstract: A lighter for lighting tobaccos such as cigarettes and cigars. A striker wheel is not exposed on the outside of the lighter body and an operation member for rotating the striker wheel is provided over the striker wheel, said operation member being connected with a gas lever for controlling the emission of gas, said striker wheel being rotated only when the operation member is pushed down with a relatively large force and turned. Therefore, the present invention minimizes the possibilities that infants make a fire by means of the lighter or unexpected accidental ignition is caused by the lighter in storage, etc.