You cannot eat peanuts, melon seeds, chocolate, etc. because they contain more oil, which will cause phlegm to grow and aggravate the cough. You cannot eat cold, sour, spicy or sweet foods because they can cause irritation to the throat and aggravate the cough. This is because these irritants will make it difficult to cough up phlegm. Han Xinmin, Department of Pediatrics, Jiangsu Provincial Hospital of Traditional Chinese Medicine Third, you should not take tonic products. You should stop taking tonic products when your cough is not healed, so that they do not retain evil and make your cough difficult to heal. Four, can not eat fried food because fried food will help moisture and heat, making phlegm grow and making the cough more difficult to heal. V. Do not eat fish, shrimp and crab These foods can aggravate coughing, which is related to the fishy taste that stimulates the respiratory tract and allergy to the protein of fish and shrimp foods. Allergic children should avoid eating these foods when they have a cough.