1. The reference intake of dietary nutrients for all kinds of people can be specifically implemented in the daily diet of diners, so that they can consume enough energy and various nutrients according to their needs, while preventing excessive intake of nutrients or energy.

2. According to the people's demand for various nutrients, combined with the local food varieties, production seasons, operating conditions and kitchen cooking level, reasonably choose various foods to achieve a balanced diet.

3. Formulating recipes helps families to manage family meals in a planned way, which is beneficial to cost accounting.