Infants occasionally cough a few times, may be dry indoor air, indoor irritating odor, upper respiratory tract infection and other conditions. 1. Dry indoor air: If the dry weather stimulates the nasopharyngeal mucosa, there may be more secretions and coughing symptoms, pay attention to keep the indoor air moist, and let the child drink some water in moderation. 2. Irritating odors indoors: If the newly renovated house or have new furniture, it will release irritating odors, which will irritate the nasopharyngeal mucosa, and cough will also occur. 3. Upper respiratory tract infections: If the baby is in contact with family members and infected, it may cause a cold, which manifests itself as coughing, coughing up phlegm, or even fever and runny nose. Infants occasionally cough a few times, you can first let the child drink some water in moderation, to maintain indoor air circulation, the symptoms persist or even aggravate, take the child to the hospital in a timely manner.