Pear with rock sugar has a certain role in moistening the lungs and relieving cough, so when the patient has cough and cough symptoms due to upper respiratory tract infection, use rock sugar stewed snow pear. In addition to icing sugar stewed pear, clinically there are some fruits that also have the effect of moistening the lungs and relieving cough, such as apples, oranges, oranges, loquats, cherries, etc. Ginger sugar water, honey water, lemon water also have some effect of moistening the lungs and relieving cough. When a patient has symptoms of cough, in addition to dietary therapy, he or she can also use cough medicines, such as licorice tablets, Su Huang cough capsules, and dextromethorphan. In the presence of pathogenic microbial infections, relevant tests can be completed to assess the possible pathogenic microorganisms and make targeted treatment, such as anti-infection, anti-mycoplasma, and anti-Atypical pathogenic treatment.