Abstract: The third field investigation on smoking in Henan was carried out in 1995.The results show that the general smoking rate of the population was 33.5% and the withdrawal rate 44.1%.The general morbidity and other 7 kinds of morbidity among smoking population were significantly higher than that of the non-smoking popualtion.Those smoking at the age less than 14 years old and smoking more than 20 cigarettes each day had a significantly higher morbidity.