The reason why sputum is orange: 1, may be because of acute bronchitis, bacteria, viruses into the human body after the stimulation of the upper respiratory tract, which in turn caused the patient coughing, resulting in coughing up orange sputum. 2, may be the patient appeared sinusitis and lead to sputum is orange. 3, may be because of the patient’s pharyngitis caused by the lining of the hemorrhage, leading to sputum is orange. Once the orange sputum should go to the hospital in time for treatment, clinically commonly used antiviral drugs oseltamivir, anti-infective drugs such as roxithromycin and gentamicin, but these drugs need to be taken under the guidance of a doctor.