Result: The result showed that proportion of people have the right knowledge about the four contents of prevention of food poisoning including: choosing safe food, maintaining hygiene and safety in food processing, preservation and using safe food are 19.4%, in which correct knowledge about preservation of safe food and using safe food are 54.3%, correct knowledge about hygiene and safety in food processing are 25.9% and correct knowledge about chosing safe food is 17, 6%.