Spitting yellow sputum is usually mostly related to inflammation of the respiratory tract. The normal respiratory tract has secretions that protect the respiratory tract from the large amount of dust that enters the lungs. If the bronchial tubes once have chronic inflammation, the secretions will increase and sputum will be produced. Spitting yellow sputum is a manifestation of bronchial inflammation, and having bronchitis can lead to the above, which needs to be combined with a radiograph to confirm the diagnosis. At this time must be timely to the hospital, according to the doctor’s recommendations and advice on the right medicine. You must drink plenty of warm water, get enough sleep, eat more light food, eat less fried and barbecued food, avoid spicy and irritating food, eat more fresh fruits and vegetables, eat more vitamin-rich fruits, such as kiwi, figs, etc. Be sure to do proper aerobic exercise.