Smoking in a public places like offices،streets and etc ،is not a humans behaivior because a person who smoking، moreover that damage his body and his health ،he damages other peoples unwarily and be in the societies that peoples smoking a lot is dangerous and peoples might stricken into cancer. as I mentioned smoking in all public places must be prohibit and governments must pursue it firmly and seriously because it useful for us to have a safe body and safe society.