Coughing up phlegm in babies is the process of expelling it from the body with the help of coughing due to the secretions of the trachea and bronchial tubes or the exudate in the alveoli. Common in the middle and late stages of external infection, bronchitis, pneumonia and other diseases in the process, often accompanied by infection, fever and other symptoms, often phlegm, coughing phlegm symptoms. As the baby will not cough spit, so parents can use the following methods to help the baby phlegm: 1, head down feet high position gravitational phlegm: let the baby head down feet high position, can be lying on the back or prone, with a few pillows to make a slanting plane, tilted angle of 20 degrees or so, so that phlegm automatically out, pay attention to observation, if the baby discomfort phenomenon, it should be stopped immediately. 2, pat the back phlegm method (phlegm coughing emergency method): pat the back method can not only prompt the baby lungs and bronchial phlegm loosening, to the large airways drainage and discharge, and can promote the heart and lung blood circulation, conducive to the absorption of bronchial inflammation, so that the disease can be cured at an early stage. In between the child’s coughing, let the child lie on the side or pick up the side lying, with the palm of the hand gently pat the child’s chest and side chest and back. The force of the patting should not be too strong, alternating between the two sides. At least 3-5 minutes on each side, 2-3 times a day. 3, drink more water to expel phlegm: drink more warm water can make the viscous secretion can be diluted, easy to be coughed up, conducive to cough and expectoration, is conducive to the elimination of local inflammation. Can also improve blood circulation, so that the body metabolism of waste or toxins produced by the rapid discharge from the urine, thereby reducing its stimulation of the respiratory tract. At the same time, pay attention to maintain appropriate indoor humidity, too dry environment will make the respiratory tract more dry, not easy to cough up phlegm. If the home is too dry, you can use a humidifier. 4, oral phlegm medications: such as guaiac glycerin ether, acetylcysteine, Mucosolvan, Ettanjing and other Western medicines to help resolve phlegm, phlegm, but also with some cough syrups, such as tai chi syrup, lung cough and other auxiliary phlegm and phlegm. Precautions: babies should not be head down for a long time within 2 hours after a full meal or pat the phlegm, to avoid the risk of vomiting; in the process of phlegm removal, be sure to constantly observe the baby’s facial expression changes, if there is shortness of breath or any discomfort, stop immediately. If the above methods are not good, you need to go to the hospital, take nebulization, anti-infection and other methods of expectoration.