The function of soaking lemon slices in water: these two functions, one is to lose weight and the other is to moisturize and beautify. Lemon tea has a particularly calming effect. Lemon is orange in color and fragrant in smell, and it is a kind of fruit with extremely high nutrition. Lemon is rich in citric acid and is known as the "citric acid warehouse". Besides sugar, the main nutrients in lemon are calcium, phosphorus, iron, vitamin B 1, vitamin B2, vitamin C and nicotinic acid. Five effects of soaking fresh lemon slices in water: 1. Whitening: Because lemon is extremely rich in vitamins, lemonade is a good beauty product, which can prevent and eliminate skin pigmentation and play a whitening role; 2, prevention and treatment of cardiovascular diseases: drinking lemonade can also prevent and treat cardiovascular diseases, because lemonade can alleviate the role of calcium ions in promoting blood coagulation, so it can prevent and assist in the treatment of hypertension and myocardial infarction; 3, prevention and treatment of kidney calculi 4, improve immunity Lemon is rich in vitamin C, with antibacterial, improve immunity, assist the formation of bone collagen and other effects, often drink lemonade, can supplement vitamin C. 5, expectorant: Lemon can also expectorate, and expectorant effect is stronger than oranges and citrus. Add warm water and salt to lemon juice, drink it and cough up the thick phlegm accumulated in your throat. At the beginning of a cold, you may wish to wash it with lemon and honey, which can relieve sore throat and reduce discomfort such as dry throat.