How can I increase my Punching Power?

yes, you can, but i'm a firm believer that mainly, you are born with the punching power you have and can't increase it too much. that's just my opinion, but i know others in the boxing and martial arts scene agree. i recall some fighter years ago, i think it was jaime garza, who recalled even as a child, he would hit people and they would go down. also, look at those wiry guys like tommy hearns and alexis arguello. i think they have natural leverage and length, and that made them hit even harder.