How does child cough have yellow phlegm to do

Parents should immediately take their children to see a regular hospital for chest X-ray, sputum culture and other examinations; if pneumonia is diagnosed, antibiotics, cough and phlegm should be taken according to doctor's advice, and auxiliary treatment can also be carried out through physiotherapy, atomization and other ways. If wind-heat cold is diagnosed, drugs such as clearing heat and detoxifying should be taken according to doctor's advice.