Newborn babies always sneeze. What's going on?

Newborn if only occasional sneezing, is likely to be caused by inhalation dust mites, hair and other foreign bodies. If the frequency is more frequent, it may be caused by cold, allergic rhinitis and other diseases. Parents usually must do a good job of indoor cleaning, frequent window ventilation. When the climate is cold, it is best not to take the baby out, so as not to catch cold.