To investigate Guangzhou consumers’ risk perception on food safety and concern about sources of food safety risk and influential factors.MethodsA questionnaire survey was conducted among 600consumers from markets and supermarkets in Guangzhou. SPSS 15.0was used for data analysis. ResultsConsumer judged ten of the sixteen kinds of food to safety, and five kinds such as edible oil and dairy food to unsafe. The influential factors included the news from government, the reports from news media, brands and manufacturers, labeling and certification, food appearance, purchasing experience, recommendation from friends and gender (F=19.026, P=0.000), cultural degree (F=17.000, P=0.000), background knowledge (F=19.416, P=0.00), per capita monthly income of the family (F=11.143, P=0.00); 8kinds of food risk source were concerned by consumers and there was significant difference in cultural degree(F=6.327, P=0.000), background knowledge (F=10.432, P=0.001), per capita monthly income of the family(F=16.876, P=0.000).ConclusionThe consumers’ risk perception on the food safety deviated from the real situation. Government and media should report the food quality and safety timely and objectively, make greater efforts to strengthen food safety education, and the consumers would be properly guided.