Whether sneezing is normal for infants depends on the frequency of sneezing and the environment they are in. If an infant sneezes when exposed to cold air, smells an unusual odor, or inhales dust, it is a normal reflex of the human body in response to external stimuli and requires no special treatment. If an infant sneezes frequently, accompanied by a runny nose, or even a cough or fever, it may be caused by an acute respiratory infection, and the sneezing symptoms will disappear only if the respiratory infection is treated. Sneezing in infants can be caused by a variety of reasons, but parents should not take it lightly, whether it is an environmental irritation or a respiratory infection. It is recommended to closely monitor the infant’s condition, add and remove clothing when appropriate, adjust the room temperature, and consult a pediatrician if necessary.