There is no such thing as what to eat when you have a cold. Diet mainly choose light food, moderate amount of fresh vegetables and fruits and other foods rich in vitamins; if the symptoms are serious, you can choose some drugs to treat the symptoms. 1. Diet: Eat tomatoes, carrots, kiwi, apples and other vitamin-rich foods in moderation, which can promote metabolism and help the recovery of the disease, and eat less fried, pickled, stimulating and spicy foods. 2. Symptomatic treatment: Drink plenty of water and rest, most mild colds will recover on their own. If the symptoms are serious, you can choose medication, such as nasal congestion, runny nose, take pseudoephedrine hydrochloride extended-release tablets, etc.; cough, cough sputum can take Ambroxol tablets, bromohexine tablets, etc.; fever, fatigue, limb aches and pains in the symptom, you can take ibuprofen, acetaminophen and other drugs. Cold and flu such as serious symptoms should be timely medical treatment, drugs need to be used under the guidance of a doctor, can not abuse the drug, so as not to cause adverse reactions.