Black crusts on the palate are commonly associated with pulmonary trichinosis. Pulmonary trichomycosis is an infectious disease of the lungs caused by pathogenic bacteria of the order Trichophyton. Although rare, it develops rapidly and has a high mortality rate. Clinically, Trichoderma and Rhizopus are more common, the former mainly invades the lungs, the latter mostly involves the sinuses, eyes, brain and gastrointestinal tract, and can be hematogenously disseminated to the whole body. Pulmonary trichinosis can be a primary infection, but also secondary to sinus lesions or trichinosis sepsis. The disease begins as a symptom of acute bronchitis and causes pulmonary solids and lung abscesses with signs of thrombosis and infarction when the lungs are involved. So what is the cause of the appearance of black crust on the palate? Here are some explanations. The palate has black scabs appear causes: The palate has black scabs is commonly due to fungal infection, the fungus mainly belongs to the subphylum, Trichophyton, Trichophyton, Trichophyton, occasionally caused by other families in the order Trichophyton, such as the spore mold family, small gram silver Han mold family, Cork mold family, bottle mold family. Among them, the genus Trichoderma, Trichoderma, Plow mold is the most common 3 types of fungi that cause pulmonary trichomycosis, and 3 types of root mold caused by the most common, especially the less root mold and rice root mold. Black crust on the palate is an infectious lung disease caused by Trichoderma spp. Although rare, it develops rapidly and has a high mortality rate. Patients are advised to actively seek medical attention at professional and regular hospitals to avoid delaying the disease.