Abstract: Abstract: Objective To investigate the oral health knowledge among college students as well as oral health behavior. Methods A questionnaire on-site survey was carried out of Hangzhou Normal non-professional oral 474 college students. Results Among the 474 college students, only 18.7% considered dental plague as the main cause for dental caries and periodontal disease. 8.4% and 15.5% thought it was because of dental floss and mouthwash respectively. Only 9% went to clinic regularly to clean teeth. When having toothache, those immediately went to a dentist accounting for only 33.3%. Conclusion College students have poor oral health knowledge, and their awareness of oral health and medical treatment is not strong, so it is necessary to carry out health education on campus.