White sugar is sweet in taste and flat in nature, and contains a small amount of protein and amino acids needed by human body, which can moisten lung and promote fluid production, relieve cough and benefit lung, soothe liver and regulate qi, clear away heat and dry dampness, and so on. There is enough sugar in white sugar, which is the main source of human body. The body needs to generate heat to consume. At this time, it needs the support of sugar, and 70% of the energy needed by the human body is provided by sugar. Eating sugar in moderation can also improve the body's absorption of calcium, maintain the body's energy and protect the normal function of the heart and blood vessels. Sugar is rich in vitamin C, which can whiten the skin, so sugar also has whitening effect. White sugar contains a polysaccharide component, which has antioxidant function, so it can delay skin aging. Moreover, when we make sour food, we can add sugar to neutralize acidic food, which can play an appetizing role. White sugar is also very suitable for patients with lung deficiency, cough and hypoglycemia, and can also relieve people who are thirsty and drunk.

It also has some wonderful functions in life, for example, eliminating the sour taste of soy sauce. We always like to add some soy sauce when cooking. The food will be salty and sour at this time. If sugar is added, the sour taste in soy sauce will be eliminated and the salty taste will be weak. When we cook fish, we always stick to the pot. If we add some sugar at this time, the fish won't stick to the pot. Sugar can also shorten dough making time. Adding some sugar in dough making can shorten the fermentation time and make pasta softer and more delicious.