Clinical symptoms of Cryptococcus pneumoniae infection vary in severity, with fever, dry cough and hemoptysis in mild cases, and hemoptysis, shortness of breath and respiratory distress in severe cases. 1. Fever: fever is a common clinical manifestation, axillary temperature is higher than 37.3 degrees Celsius, fever can be accompanied by headache and dizziness and other manifestations. 2. Cough: most of the cough is dry, and there may be sputum. 3. hemoptysis: hemoptysis refers to the bleeding of respiratory organs below the larynx (i.e. trachea, bronchus or lung tissue), and the process of discharging it from the oral cavity through coughing; cryptococcosis is mildly hemoptysis with a small amount of hemoptysis, but in severe cases, it can cause hemoptysis or even asphyxiation with blood clots. 4. Shortness of breath and dyspnea: Cryptococcus pneumoniae infection can cause severe pulmonary ventilation dysfunction leading to shortness of breath, dyspnea and other symptoms. If symptoms similar to Cryptococcus pneumoniae occur, please go to the hospital in time to consult a physician and get a clear diagnosis so that you can get early treatment.