Objective: Before and after health education intervention,the situation of grasping health knowledge and healthy behavior were discovered among the community residents in part of Jiangsu province. The actual situation of the development of community health education was studied in Jiangsu province,and health education activities in communities were guided. Methods:By questionnaire survey,1 800 residents in 12 communities were investigated,and the effectiveness of health education intervention was evaluated. Results:Less than 50% people had sense of the knowledge on “prevention of influenza”,“the diagnosis of diabetes”,“the frequency of measurement of blood pressure in people over 35 years of age”,“the treatment after dog and cat bite”,and “the benefits of iodized salt”. Less than 50% of the subjects were aware of “how to properly use range hoods”,“how to separate raw and cooked”,“how to participate in health check over the past year”,“how to replace a toothbrush every three months”,“how to correct method of oral hygiene”,“how to bath towel hangs on the balcony”,“how to wash hands in time”,and “how to do not spit”. After the intervention,though the healthy behavior was observed no significantly improved,the degree of knowing health knowledge of community residents had significantly improved. Conclusion:Urban community health education should be strengthened consistently,people’s health knowledge should be enhanced,and the development of residents of health behavior should be promoted.