Objective:To understand the factors influencing the seeking of medical treatment through investigating patients and parents with chief complaint of six-year molar and to provide references for early prevention and treatment. Methods:Clinical examination was performed on 300 patients with six-year molars and the condition of six-year molars was recorded. The reason for seeking medical treatment,awareness of relevant knowledge of six-year molar and the population sociological features were investigated by questionnaires. Results:The urban and rural distribution,educational level and the knowledge structure of the parents were the influencing factors of seeking medical treatment. Conclusion:Various channels should be applied to popularize oral health knowledge,narrow the urban-rural gap and educational gap so that everyone will pay more attention on early prevention and treatment of six-year moral.