There are also more causes of shortness of breath in babies. Shortness of breath may be caused by respiratory diseases, or it may be a respiratory manifestation caused by systemic diseases. Common causes of shortness of breath in babies include respiratory diseases such as diseases causing nasal congestion such as chronic rhinitis, sinusitis, deviated nasal septum, etc. may cause shortness of breath, in addition, also seen in children with wheezing bronchitis, asthma pneumonia and other lower respiratory tract diseases may also cause shortness of breath; non-respiratory diseases such as severe bloating, diarrhea dehydration, hypoglycemic acidosis, diabetic ketoacidosis, etc. may also cause shortness of breath. Non-respiratory diseases, such as severe bloating, diarrhea and dehydration, hypoglycemic acidosis, diabetic ketoacidosis, etc., may also cause shortness of breath; circulatory system diseases such as congenital heart disease, myocarditis, etc., which cause cardiac insufficiency and heart failure, may also cause shortness of breath; neurological diseases such as Guillain-Barre syndrome, myasthenia gravis, myotonic dystrophy, etc., may also cause shortness of breath. There are many causes of shortness of breath, and different causes may be accompanied by other manifestations in addition to shortness of breath. If shortness of breath occurs in the short term, it is generally caused by acute diseases of the respiratory system, and if shortness of breath exists for a long time, it may be caused by chronic diseases.