Drinking rock sugar and snow pear when coughing is effective. Rock sugar has the effect of moistening the lungs, which is very effective for coughing. In addition, the snow pear has the effect of clearing heat and detoxification, but also can moisten the lungs, cough, phlegm, for cough also has a very good effect, two food together for cough effect will be better. There are two main practices of sorbet: the first method can be a sorbet washed and peeled, then cut into small pieces, remove the nucleus, put into a pot and add two bowls of water, and then add about 10g of rock sugar, about half an hour to cook, if the water is dry, you can add a small amount of water, drink it while it is hot, for cough effect is still good. The second method can take a pear, cut off the upper 1/3 of the pear, then dig out the pear nucleus, add a small amount of rock sugar in the center of the pear, about a dozen, put in a pot and steam about half an hour or so, the whole pear to eat, the cough lung effect is very good.