The basic principles of catering service are as follows:

1. Hygiene and safety principle: the service of catering service should first ensure the hygiene and safety of food. All ingredients must be fresh and pollution-free, the cooking process must strictly abide by hygiene standards, and tableware must undergo strict disinfection. At the same time, it is necessary to ensure that the storage, transportation and handling of food comply with food safety laws and regulations to prevent food from being contaminated.

2. principle of balanced nutrition: the service of separate meals should ensure the balanced nutrition of each meal. According to the nutritional needs of different groups of people, the ingredients are reasonably matched to provide a variety of food choices. At the same time, we should pay attention to the balanced intake of calories, protein, fat, carbohydrates, vitamins and other nutrients.

3. Resource-saving principle: Separate meals service should save resources and reduce waste. In the procurement, storage and cooking of ingredients, we should make rational use of ingredients to avoid waste. At the same time, it is necessary to promote the way of ordering food in moderation and taking meals on demand to reduce food surplus and waste.

4. healthy eating principle: the concept of healthy eating should be advocated in the service of separate meals. In the design of dishes, we should pay attention to the principle of low salt, low fat and low sugar, and reduce the intake of food with high calorie, high fat and high sugar. At the same time, it is necessary to provide a variety of healthy foods such as vegetables, fruits and whole grains to meet the human body's demand for various nutrients.

5. principle of environmental protection and sustainability: the service of separate meals should pay attention to environmental protection and sustainability. In the procurement of ingredients, priority should be given to environmental protection and sustainable sources of ingredients. In the way of dining, it is necessary to promote environmentally friendly and recyclable tableware and packaging materials and reduce the use of disposable items.

Benefits of separate meals:

1. Health and safety are more guaranteed: adopting separate meals, food is distributed by special personnel, which can effectively avoid the spread of bacteria and viruses, especially during epidemic or flu, and this way of eating can better ensure everyone's health. Everyone has their own independent plates and chopsticks, which greatly reduces the risk of cross-infection.

2. A more balanced and healthy diet: Under the separate-meal system, everyone can choose the right amount of food according to their own needs, thus avoiding excessive intake caused by self-help feeding. At the same time, the separate meal system also helps to ensure that everyone gets comprehensive and balanced nutrition, because the distributor can distribute protein, vegetables, carbohydrates and so on according to everyone's needs.

3. Enhance the catering culture and saving consciousness: The separate dining system makes people pay more attention to table manners and the spirit of sharing with others. It encourages people to cherish food and reduce waste, because everyone can only take food from his own plate, which helps to cultivate the habit of saving. In addition, the separate dining system is also helpful to promote the traditional catering culture in China and make people cherish the time of having dinner with others more.

4. Reduce food waste: Separate meals can help reduce food waste. Everyone takes meals according to their own needs, which can avoid food waste caused by overeating. At the same time, restaurants can adjust the dishes according to customers' feedback and needs, further reducing food waste.