Baby just coughs once or twice occasionally and is in good spirits, most of them are normal, but it may also be an environmental stimulus, upper respiratory tract infection and other abnormalities. The baby just coughs once or twice occasionally and is in good spirits, most of which is normal. There is a small amount of secretion in the baby’s throat, and occasional coughing can promote the discharge of secretion, as long as there is no other discomfort, it is normal. It is also necessary to consider abnormal situations, such as environmental stimuli, upper respiratory tract infection. 1. Environmental stimulation: If the indoor air is dry, irritating odors or people around the smoking, the baby’s throat mucosa is more delicate, slight stimulation, coughing symptoms can occur, pay attention to improve the surrounding environment. 2. Upper respiratory tract infection: If the family cold is infected, or the child is cold and flu, the early baby may have mild symptoms, cough a sound or two, try to let the baby drink more water, observe. Try to let the child first indoor activities, observation for a period of time, if necessary, to the hospital.