The precautions for babies with enlarged adenoids are to keep warm, avoid contact with allergens, and if the patient has prolonged open-mouth breathing or repeated snoring, he or she needs to follow the doctor’s instructions to take surgical treatment and medication. If the baby has physiological adenoid hypertrophy generally do not need treatment, usually pay attention to the baby to keep warm, cold weather should be timely to add clothes to the baby to prevent the baby from upper respiratory tract infection. In addition, for allergic babies need to take the baby to do skin prick test or patch test, clear allergens. After the allergens are identified, contact should be reduced. If the baby’s adenoid hypertrophy is serious, and there are long-term open-mouth breathing, repeated snoring and other manifestations, it is necessary to take adenoidectomy, as well as plasma radiofrequency ablation treatment. For patients with concomitant bacterial infections, antibiotics such as amoxicillin and cefuroxime are also needed under medical supervision. It is recommended that babies with enlarged adenoids should avoid colds. Usually let the baby appropriate physical exercise, such as jogging, fast walking, swimming and so on.