Introduction: Personal hygiene is important in maintaining food quality and health safety, so the low level of personal hygiene causes contamination leading to food spoilage and the occurrence of sick cases for consumers.Objective: This study was conducted under the Corona pandemic to verify food safety in Nablus old restaurants, Palestine, in the year 2021.Research methodology: This study covered 32 restaurants and 160 employees randomly selected. Data collection began between April and June in 2021 using 160 questionnaires that included 20 questions were answered by workers in these restaurants.Results: Contamination with coliform bacteria was found in the restaurant samples with a percentage (42.5%), where the samples have taken from the tables having the highest contamination of this bacterium (50%). Furthermore, the data revealed that there was a relationship between coliform bacteria contamination and age, educational level, and food safety training, as the contamination being seen in the group that got the training, In contrast to those who didn't at the P-value <0.20.Conclusion: There was an association of bacterial contamination with age, especially among the younger group who were less concerned with hygiene and food safety practices compared to the elderly group. And it turns out that restaurant workers must be properly trained in food safety and monitored regularly.