Objective:To find the disease spectrum features and variation of hospital patients during the period of extremely high temperature and drought in Chongqing.Methods:The descriptive method was adopted to analyze the disease spectrum features of hospital patients during the months of 7 to 8 in 2006 in Chongqing

and the results were compared with those in the same term in 2005 and 2007.Results:Compared with finding in the same term in 2005 and 2007

the weather of high temperature and drought in months of 7 to 8 in 2006 was much more serious.There was no statistical significant difference in constituent ratios of gender and age of hospital patients during the three years of the same periods.According to genealogical classification

the constituent ratio of disease of respiratory system was in the first place all the time

while constituent ratios of disease of digestive system

infection disease and parasitic disease in 2006 were higher than those in other two years.According to disease types ranking in order

the constituent ratios of disease of acute upper respiratory infection

acute bronchitis

acute gastroenteritis

disease of appendix and enteric infection in 2006 were higher than those in other two years.Conclusion:The impacts of weather of extremely high temperature and drought on disease of digestive system

infection disease and parasitic disease were obvious

while acute upper respiratory infection

cute bronchitis

acute gastroenteritis

disease of appendix and enteric infection were influenced more.