Self-ginseng Yuzhu soup is best for drinking before meals. Drink a few mouthfuls of soup before meals to lubricate the mouth and esophagus, which can prevent the stimulation of dry and hard food on the digestive tract mucosa, facilitate the dilution and stirring of food and promote digestion and absorption. Most importantly, drinking soup before meals can make the food in the stomach fully close to the stomach wall, enhance the feeling of fullness, thus inhibiting the feeding center and reducing people's appetite. As for whether it is better to have soup for lunch or dinner, it depends on personal preference, and there is not much difference.