Newborn sneezing may be related to external stimulation, upper respiratory tract infection and other reasons. 1. External stimuli: dust, pollutants, irritating odors can stimulate the respiratory tract of children, causing sneezing, which is its own protective action, generally remove the trigger can be relieved, without special treatment. 2. Upper respiratory tract infection: due to viruses and other pathogens invade the nose, pharynx and other parts of the mucous membrane tissue edema, congestion, sneezing, coughing and other phenomena. Newborn sneezing, there may be other reasons, it is recommended to go to the hospital in a timely manner, improve the examination to clarify the cause of the disease, under the guidance of the doctor to give targeted treatment or treatment.