Drinking scallion water is a common folk method to treat colds. There are two problems that need to be reminded: 1. It is necessary to know what scallion is. Scallion is a spicy food. According to the theory of traditional Chinese medicine, it has the functions of pungent warming, dispelling cold and sweating. It is mainly used for wind-cold colds, which are divided into two types according to the theory of traditional Chinese medicine: wind-cold colds and wind-heat colds. Many parents can't tell the difference, and even doctors who study modern medicine may not know what is cold and wind-heat cold. If you have a wind-heat cold, it is a state of high fever, constipation and Huang Chi in urine. Drinking scallion water will only aggravate your condition. Cold-induced colds are often manifested as cold-heat exchanges, runny nose and general discomfort, that is, common sneezing and runny nose are mostly cold-induced colds. It also depends on the incentives. For example, if the child wears less clothes, it is very cold outside, and the cold is mostly cold, then you can drink a little scallion water. Brown sugar in scallion water is unnecessary. It is a sweetener and sugar can also be added. It is necessary to distinguish whether it is a cold or a cold. If you can't distinguish it, you don't need to drink it and go to the hospital. 2, age limit, young children, especially babies, are not recommended to drink scallion water. Older school-age children are really cold and cold. It is nothing to drink, but also pay attention to the time when drinking scallion water, the better. I already feel uncomfortable and have caught a cold. In this case, drinking a little sweat will have a certain impact on the process of catching a cold. If you have caught a cold for several days, drinking scallion water will have no effect. Drinking scallion water in modern medicine mainly plays a sweating role, and drinking boiled water can also play the same role, and drinking boiled water has no risk.