Abstract: A safety apparatus of a barbecue lighter includes a resistance unit, which is disposes in the trigger cavity of the casing, providing an additional resistance for press the ignition trigger; and a resilient element, which is coaxially attached to the resistance unit, urging and retaining the ignition trigger in an upper normal position. Therefore, the resistance means resists the depressing force applied on the ignition trigger by an under age child which the under age child has limited physical capability while an adult is capable of pressing the ignition trigger easily.