2, because the tea is cool, it has the functions of promoting fluid production to quench thirst, clearing away heat and detoxifying; However, rock sugar is flat and cool, which has the functions of invigorating the middle energizer, nourishing yin and moistening the lungs, relieving cough and resolving phlegm, and improving human immunity.
3, the combination of the two can give full play to the heat and detoxification of tea and relieve sore throat.