In general, it is best not to eat plums when you have a cold and cough. Plums have the effect of producing phlegm, and also aggravate the dampness in the body, making the spleen and stomach weak, so it will aggravate the symptoms of cold and cough. Plums are sweet, and sweet food tends to help heat and produce phlegm, which leads to respiratory discomfort and aggravates the symptoms of coughing and phlegm. So once the cough caused by a cold, it is best not to eat plums, it is suitable to eat heat-clearing and detoxifying fruits, such as pears, pears have heat-clearing and detoxifying, cough and phlegm, moisten the lungs, especially for the cough caused by the cold, the effect is particularly good, you can also use icing sugar to boil Sydney to eat, relieve cough, cough phlegm effect is also good. In addition, you can also eat apples, apples are relatively mild, rich in vitamins, for cold and cough is also relatively good.