1. What is a cold in children? Colds in children refer to respiratory diseases caused by viral infections. Common symptoms include runny nose, sneezing, sore throat, fever, etc. Since children\’s immune systems are not yet fully developed, they are susceptible to cold viruses. 2. What precautions should be taken when treating colds in children? 1. Food should be easy to digest: Children’s gastrointestinal tract is relatively fragile, so pay attention to their diet.