Running smoking, no-smoking area in restaurants(n=546) in 25 districts in Seoul area was surveyed and evaluated. No-smoking restaurants were evaluated as A(2.0 points). Restaurants running no-smoking area with guidance to the customers were evaluated as B(1.7 points), and those without guidance as C(1.4 points). In case of the distinction of smoking or no-smoking area are not clear, it was evaluated as D(1.1 points). Restaurants which are not running no-smoking area were scored E(0.8 points). Western style restaurants scored average of 1.55points, which was significantly higher than that of Korean, Chinese or Japanese style ones(average of 1.24~1.27 points). The highest mean score for restaurant 1.625 points in Songpa-gu(district).