Little baby sneezing, if it is due to cold air, acne stimulation, occasional occurrence, it is mostly a normal phenomenon, if accompanied by runny nose, cough, nasal congestion, fever and other discomforts, it may be upper respiratory tract infection. 1. Physiological phenomenon: sneezing is a protective reflex nature, can remove some small particles inhaled through the air, the baby’s nasal cavity is not well developed, often due to cold air, acne, irritating odors and other induced sneezing, is a normal phenomenon, this situation is generally not accompanied by other symptoms, spirit, appetite is good. 2. Upper respiratory tract infection: often accompanied by runny nose, cough, nasal congestion, fever, etc., poor spirit, milk volume will also be reduced, if the viral infection is mostly self-limiting disease, parents can symptomatic treatment, such as cleaning up nasal secretions, alleviate the baby’s discomfort, if bacterial infections, you need to comply with the doctor’s orders to use antibiotics such as cefaclor treatment. Therefore, if the baby’s milk, spirit, body temperature is normal, you can continue to observe, if accompanied by other symptoms need to seek medical treatment.