Frequent nasal congestion in babies may be due to upper respiratory tract infection, allergic rhinitis, nasal polyps, adenoid hypertrophy, etc.. It is necessary to go to the hospital in time to determine the cause and treat the cause. Common causes and treatment 1, upper respiratory tract infection: If the child has a cold, nasal congestion with fever and other symptoms may occur. At this time, under the guidance of the doctor, you can apply drugs such as Pudilan Anti-inflammatory Oral Liquid, Shuanghuanglian Oral Liquid, Banlangen Punch, Er Ding Granules, Pediatric Aminophenol Huang Na Min Granules, etc.; 2. Allergic rhinitis: children with allergic rhinitis may have nasal congestion with nose itching and sneezing symptoms. It is recommended to improve the allergy case examination, avoid allergen contact, oral antihistamines or anti-allergy drugs such as loratadine granules for treatment when symptoms are obvious, and also with acupressure for treatment; 3, nasal polyps: the most common symptom of nasal polyps is persistent nasal congestion, the symptoms can be aggravated with the growth of polyps volume. Children with nasal congestion caused by nasal polyps, generally no special drug treatment, you can promptly seek medical attention, through surgery to remove; 4, adenoid hypertrophy: children with adenoid hypertrophy, may also appear nasal congestion symptoms. If the symptoms are mild, medication can be used as prescribed by the doctor, but in severe cases, the adenoids need to be removed surgically. In addition, nasal septum deviation, nasal foreign body, etc. can also lead to nasal congestion symptoms, it is recommended to seek medical advice in a timely manner, under the guidance of doctors to identify the cause and treatment of the cause.