Objective:By using diet balance index (DBI-07),the diet structure and quality of resident in Jiangsu province have been evaluated. The findings can be used for nutritional intervention. Methods:The basic information of 954 residents aged 18-65 years who had completed 3 days dietary information were selected from 2009 China Health and Nutrition Survey. The quality of dietary was evaluated by using DBI-07 method. Results:The overall dietary quality of Jiangsu residents was somewhat imbalance. Insufficient intake and excessive intake were both coexisted in the residents of Jiangsu. Male had a higher level of excessive intake and imbalance than female. The situation of dietary deficiencies and imbalance of rural areas were more severe than those of the city. Group age from 40 to 50 has the highest level of dietary imbalances. Conclusion:For Jiangsu residents,intakes of fruits,milk and beans were insufficient,whereas red meat,edible oil and salt intake were excessive. Major dietary pattern of residents is the Pattern B. Three main target populations for intervention were male,rural residents and residents aged 40-50 years. Educations on dietary guidelines and food guide pagoda are needed. Meanwhile the implementations of dietary intervention regarding the populations excessive intake with salt and oil are recommended.