Due to the increase of secretions in the baby’s respiratory tract due to various reasons, there are some ways to suction the baby. First, pat the back method. In the baby’s coughing intervals to let his side or hold up the side lying, gently pat the back, so that phlegm loose, and can promote the heart and lungs of the blood circulation, so that the disease can be healed as soon as possible. Second, drinking water method. Coughing babies often have different degrees of dehydration, which will aggravate the inflammation of the respiratory tract and the viscosity of the secretions, so that phlegm is not easy to cough out. You can drink more warm water, can make the viscous secretion can be diluted, easy to be coughed up. Third, the steam method. Pour boiling water into a large mouth cup, pick up the child, mouth and nose to the rising steam, inhaled into the respiratory tract through respiratory exercise, can make the phlegm become thin, conducive to coughing up. It can also reduce the congestion and edema state of the trachea and bronchial mucosa, reduce coughing, and promote phlegm expectoration and aspiration, but be careful not to scald.