9 o'clock to 17 o'clock. According to the recruitment information of the affiliated hospital of Xuzhou Medical University, the working hours are 9: 00-1:30 in the morning and 3: 30-17: 00 in the afternoon (excluding Beijing time). Working in the canteen requires keeping the inside and outside of the canteen clean, doing a good job in food hygiene, strictly disinfecting kitchen utensils, and sweeping every day and week to prevent the spread of food poisoning and intestinal infectious diseases.