A contraindication of insufficient water supply, should drink more water, juice, etc. to promote gastric juice secretion, enhance appetite. Drinking more water is good for metabolism, for the elimination of toxic substances from the body, and for diluting phlegm. The second avoid cold food, cold main collection, cough should not eat cold drinks or frozen drinks, at this time, if the diet is too cold, it is easy to cause the lung gas occlusion, the symptoms aggravate, day after day, some people will cough very heavy, pharyngitis is difficult to tolerate, obvious before bedtime, coughing frequently. Li Baoku, the pediatric department of Zhenjiang City Hospital of Traditional Chinese Medicine, is avoiding fishy fish, shrimp and crabs, and paying attention to beef and mutton and pork. The fishy smell stimulates the whistling tract and the protein allergy of fish and shrimp food can aggravate the cough. If fever, sputum sticky or yellow sticky sputum is the majority is evidence, generally do not eat beef and mutton. Allergic children with cough, some have eaten pork cough significantly aggravated, and even wheezing. Four avoid fatty, sweet and thick food, children cough when the gastrointestinal function is weak, fried food, meat, broth, can increase the burden on the gastrointestinal, and help moisture and heat, breeding phlegm, making it difficult to heal the cough. Five avoid sweet, sour and spicy foods. Acidic astringent, easy to cause phlegm not easy to discharge. The sweet food will stagnate the spleen and stomach and easily produce phlegm and heat, making it difficult to heal the inflammation and eliminate the phlegm. Six avoid eating oranges, orange meat heat phlegm, fresh orange peel is astringent phlegm, only aged orange peel has the effect of cough and phlegm. Seven avoid eating peanuts, melon seeds, cashews, chocolate, etc., the above foods contain more fat, easy to breed phlegm after eating, making the cough worse. Eight avoid eating tonic, some tonic will help to produce phlegm and heat, making phlegm sticky and difficult to cough.