One and a half month baby cold nasal congestion, cough, including general treatment, anti-infection treatment and symptomatic treatment. First, general treatment. Viral infection of the upper respiratory tract infection, should tell parents is self-limiting and the purpose of treatment to prevent cross-infection and complications. Pay attention to rest, maintain a good surrounding environment, drink more water. Second, anti-infection treatment. Virus-induced upper respiratory tract infection, can drink more warm water, if combined with influenza, can use oseltamivir, usually 3 days for a course of treatment. Antibiotic treatment, bacterial-induced upper respiratory tract infections, generally available antibiotic treatment, often choose penicillin and cephalosporin. Positive throat swabs help guide treatment with antimicrobials. If streptococcal infection is confirmed, penicillin-based treatment can be selected, and the general course of treatment is 10-14 days. Third, symptomatic treatment. When high fever, ibuprofen or acetaminophen can be given, and cold compresses and warm compresses can also be used to lower the temperature. If high fever convulsion occurs, sedation can be given. When there is pain in the pharynx, the open-throat sword can be given.