Cigarette lighters capable of preventing children from opening

The utility model belongs to a field of the lighter, in particular to a lighter that preventing child igniting. Aiming at the exiting technical disadvantage of safety device with low strength and low deception to child, a novel lighter is provided. The safety device of the lighter is consisted by a pushbutton. Locking the ignition requires only one action, thereby puzzling the child and preventing ignition. The lighter comprises a frame, a pushbutton arranged on the frame, a piezoelectric device and a gas out device in the frame. The utility model is characterized in that, the pushbutton is a split button which consists of a button base and a button cap. The button cap is connected to the button base and is a movable cap. A retracting spring is arranged between the button base and the cap. A restricting unit is arranged at the juncture between the frame and the inboard side of the pushbutton. The upper part of the restricting unit is provided with the inboard extending end of the button cap. The utility model avoids the potential hazard caused by incorrect manipulation, child playing, accidental collision, or accidental pressing the pushbutton, thereby safeguarding the personal safety of child and public security.