Jelly-like sputum coughed up in the morning may be caused by lung infections, especially Klebsiella infection, which can cause brick-red jelly-like sputum. Lung infections such as pneumonia, acute tracheobronchitis, chronic obstructive pulmonary disease, bronchiectasis combined with infections can lead to coughing up jelly-like sputum in the morning, especially pneumonia caused by Klebsiella pneumoniae is the most common. Jelly sputum should be timely to the hospital, according to the pathogen culture, drug sensitivity test for treatment, commonly used drugs include cephalosporin, penicillin and so on. Patients with lung infections should consult a doctor for treatment under the guidance of the doctor, and at the same time pay attention to warmth, avoid being cold, drink more hot water, and eat less spicy and stimulating food.