Baby’s alternately enlarged nasal turbinates generally refers to turbinate hypertrophy, which may be caused by drug abuse, chronic inflammation, structural abnormalities and other reasons. 1. Drug abuse: long-term blind use of decongestants can cause drug-dependent swelling of the nasal mucosa and enlargement of the inferior turbinate. Thus, the baby can also appear alternately with the phenomenon of hypertrophy of the nasal turbinates. 2. Chronic inflammation: including allergic rhinitis, drug rhinitis and other chronic rhinitis. All can cause nasal mucosa capillary expansion, permeability increase, so that the baby alternates with the phenomenon of hypertrophy of the turbinate. 3. structural abnormalities: may be due to congenital or acquired nasal septum deviation will cause the opposite side of the inferior turbinate mucosal hypertrophy, osteophytes and displacement to the medial side, resulting in the phenomenon of alternating turbinate hypertrophy. There may be other reasons for the alternating turbinate enlargement of babies, it is recommended to go to the hospital in time, complete the examination to clarify the cause of the disease, and then give targeted treatment or treatment under the guidance of the doctor.