Li Chuang is a 15-year-old boy，but he has been a smoker for three years．His teeth and fingers have turned a bit yellow．

   “I first tried smoking after watching TV．It makes me feel excited and I think it looks cool，”he said．

      Not all students smoke as much as Li，but there are lots of child smokers．

     A report says 32％of boys and 13％of girls in middle schools in China have smoked．Some are as young as 11 when they first try!

     May 31st isWorld No-Tobacco Day． Health experts(专家)are asking young people not to smoke．

     Doctors say smoking can make people get illnesses，like lung cancer．

      Not only that，smoking costs a lot of money，too!

      Stop smoking，children!It's bad for your health．