Young children have phlegm, first of all, to keep the indoor air fresh, open the windows regularly to ventilate the air, it is best to keep the room temperature at 18 degrees -22 degrees is appropriate, do not let the cold wind blowing directly onto the child’s body, the humidity of the room should be moderate, is conducive to the children’s respiratory mucosa to maintain a moist state, and the surface of the mucous membrane of the cilia of the swing, to help the phlegm discharged. You can take the following methods to help the baby expectorate: First, pat the back method, let the baby lying on the side or hold up the side, parents of a hand of five fingers slightly flexed, clenched into an empty fist, gently pat the child’s forehead and side chest back, pat the left side, to the left side of the bed, alternating between the two sides. Second, the drinking water method, so that the throat to stay moist, coughing children, through the respiratory tract of the unobtrusive water loss will be very high, the relative lack of water in the airway, can aggravate the inflammation of the respiratory tract and secretion viscosity, so that it is not easy to cough out. Third, the steam method, pour boiling water into a large mouth can or tea cup, pick up the child, so that its mouth and nose to the rising water vapor, and absorption of the release, can make the sputum thinner, conducive to coughing, but also reduce congestion and edema of the trachea and bronchial mucosa, reduce coughing, but be careful of scalding, to avoid accidents. Fourth, the drug method, it is recommended to try not to take drugs, do not take drugs.