The study aimed to identify the opinions and trends of the residents of the Holy City of Mecca towards existing restaurants in terms of the level of cleanliness of the workers, the location, and the meals provided to them, and the quality of the restaurants by following the instructions and guidelines of the Ministry of Health, represented by the municipalities and environmental health, in a way that benefits the citizens and their lives, and the type of microbes that cause poisoning. Nutrition for humans. As for the questionnaire, the questionnaire was distributed to 600 people (men and women), and answers were obtained from 500 people in all health centers in Mecca region.