Abstract: Objective:To understand the knowledge and behavior of adult patients with oral disease about the toothbrush,toothpaste,solutions of mouth rinsing,interdental embrasure cleaning tool and sugar-free chewing gum.Methods:The adult patients with oral disease from the 2nd level hospital in Anhui province were investigated by a cluster random ampling method.Results:There were 44.7% of patients knew the health care toothbrush,and 23.0% of patients randomly chose toothbrush;71.4% of patients knew the fluoride toothpaste,22.3% of patients used it for long-term,and 39.3% of patients randomly chose a toothpaste;41.5% of patients knew the dental floss,and 11.7% of patients regularly used it;20.6% of patients knew the interdental toothbrush,and 3.1% of patients regularly used it;51.7% of patients knew the mouth rinsing,and 8.0% of patients regularly used it;47.5% of patients knew the sugar-free gum,and 35.2% of patients frequently chewed it for strengthening oral health.There was not statistically significant difference in gender cognitive behavior of all cases(P0.05).The cognitive level of the patients with high education level was high,and the cognitive levels of the patients from city and enterprises were higher than that of rural residents(P0.01).Conclusions:The knowledge and behavior of patients about the self-care products of oral health are insufficient.The knowledge education of the fluoride toothpaste,interdental embrasure cleaning tools and mouth rinsing should be stengthened,especial for the patients with low education level and rural residents.The brushing tooth and flossing clearancing interdentium as the most basic self-care of oral health combined with chewing sugarless gum,mouthwash rinsing the mouth,and the balanced development of oral care product market system should be established.