The efficacy of rock sugar pear water is as follows: 1, can clear heat, reduce fire, generate fluid, for fever injury fluid or warm fever disease caused by yin deficiency, thirst, dry mouth, if appropriate consumption of rock sugar pear water has a good role in clearing heat, reduce fire, generate fluid in the mouth. 2, can moisten the lung, phlegm, cough, for lung heat caused by cough, cough phlegm, cough blood, if appropriate drinking rock sugar pear water has a good role in moistening the lung, phlegm, cough. 3, can release alcohol poison, sober up, for drinking too much alcohol caused by nausea, vomiting, indifferent people, appropriate consumption of ice sugar pear water has a very good role in lifting alcohol poison, sober up.