Common pathogens causing fungal pneumonia are Candida, Aspergillus, Trichoderma, Cryptococcus, etc. Fungal pneumonia is mostly seen in immunocompromised people, such as those suffering from malignant tumors, hematological diseases, chronic wasting diseases, etc. Such patients may have long-term application of glucocorticoids, immunosuppressants, or long-term abuse of antibiotics, which may also cause fungal infection. The common clinical manifestations of fungal pneumonia are cough, coughing sputum, fever, shortness of breath, chest tightness, the application of antibacterial antibiotic treatment is ineffective, the need for sputum check fungal culture and smear, suggesting positive, positive intravenous G test can be clearly diagnosed. In the treatment, it is necessary to apply antifungal drugs and discontinue antibacterial drugs. Antifungal drugs include fluconazole, itraconazole, voriconazole, caspofungin, micafungin, etc.