Nasal congestion in one-month-old babies is mostly due to relative/absolute narrowing of the nasal tract caused by various reasons, which hinders breathing, mostly seen in physiological conditions, and rarely seen in respiratory tract infections. The main thing to relieve nasal congestion is to unblock the nasal passage and relieve the original cause of nasal congestion. 1, unblocking the nasal passage, the specific methods are (1) topical unblocking the nasal passage, dealing with nasal mucosal edema drugs. The most common are saline seawater nasal spray rinse nasal cavity, 1-2 sprays at a time, 3 times a day. (2) Clean up nasal secretions, you can use wet cotton swabs or nasal aspirator, or other means. (3) Apply hot compresses, you can apply hot towels to the nasal cavity, nose, fontanel and other parts, which can relieve nasal congestion. (4) Massage the Yingxiang point with both hands, which is also effective to relieve nasal congestion. 2, deal with the original cause (1) physiological nasal congestion, mostly seen in the 3-month-old baby, the nasal mucosa is soft, less nasal hair, lymphatic tissue is rich, the nasal cavity is relatively narrow, especially prone to nasal congestion, no special treatment, or choose the above approach can be handled. (2) nasal congestion caused by upper respiratory tract infection, can take oral cold medicine, such as anti-sensory granules, external use of physiological salt water nasal spray, etc. Baby nasal congestion, obstructing breathing, affecting the baby’s emotional response, feeding, sleep, etc., can be dealt with according to the above methods.