During the cold, if there is no obvious cough or phlegm, you can eat garlic. First of all, garlic has bactericidal and anti-inflammatory effects, for the cold virus caused by the upper respiratory tract infection, that is, the symptoms of the cold, has a certain effect of relief. Especially in the case of a sore throat, eating garlic can also relieve the symptoms of a sore throat. But if the phenomenon of cough or cough phlegm, it is not recommended to eat raw garlic, raw garlic is relatively strong irritation, it is easy to cause or aggravate the cough, so it is not allowed to eat. However, if the phenomenon of coughing and coughing phlegm, you can eat garlic rock sugar water to cough and phlegm treatment, the effect is still relatively good. You can take 30 grams of garlic, 10 grams of rock sugar, and then add 2 large bowls of water, put in a pot to cook about twenty minutes, the 2 large bowls of water to cook a small bowl of water left to drink while hot, for the treatment of colds, as well as coughing, coughing and phlegm effect is relatively good. If the symptoms are more serious, you can take it 3 times a day.