90% of respiratory tract infections in colds are caused by viral infections, 10% by bacterial infections. Pediatric colds get well quickly: 1, the initial period to give children more water, pay attention to the room ventilation, to avoid cross-infection and complications, generally 7-10 days will be good; 2, the more serious cases of children should be timely consultation, the viral infection to take antiviral treatment, bacterial infection requires the use of antibiotics; 3, fever children to give physical cooling, such as cold compresses, warm baths, etc., the body temperature higher than 38.5 ℃ to Give ibuprofen or acetaminophen to lower the temperature, and give sedative and antispasmodic treatment in case of high fever and convulsions. The common cold will heal in 7-10 days, while the recovery time is longer for severe cold combined with other organ damage infections.