How does half year old baby throat have phlegm to do

Half a year old baby also can not speak. When a cold cough, also won't tell the mother body discomfort. And mother can only through the child's various symptoms to perceive the child sick. Cough sputum are mostly caused by fire, but the baby will not expectoration. So half a year old baby cough sputum how to do it? Can use the pat back method, in the cough gap, let the child side or hold up the side, parents pat the child back. Patting the back method can not only promote the loosening of sputum in the lungs and bronchi of children, but also promote the blood circulation of the heart and lungs, which is conducive to the absorption of bronchial inflammation, so that the disease can be cured early.