When you have a cough with phlegm, try not to drink lemon water, because the basic taste of lemon water is sour, and the sour taste is sour and astringent in Chinese medicine, which is mainly astringent. In addition, the sour taste has the effect of opening up the yin, so it is also more suitable for the dumb throat, and it is also more appropriate to use this, but only this kind of cough with phlegm, when the cough has phlegm, the direction of treatment should be mainly to drain the phlegm, the phlegm out of the disease will be well, at this time to drink the acid collection of things instead of holding back the phlegm, then the disease how to get well? Even if the cough is stopped at that time and the phlegm does not come out, it actually covers up the symptoms and prolongs the course of the disease. If you take back the phlegm, the infection will be wrong for a long time, and then it will be wrong again, so some people say that they can’t get rid of their coughs after catching a cold because of improper diet.