If you are in a moldy room for a long time, it is easy to inhale some fungi, molds and anaerobic bacteria, the respiratory tract may be troubled for a long time and be infected by these germs, which may lead to fungal pneumonia, bronchitis, coughing, coughing, chest tightness, and even shortness of breath. Fungal pneumonia is very troublesome to treat and the course of treatment is very long, and it may cause poor lung function, which may lead to respiratory failure, hypoxemia and hypercapnia in addition to difficulty in breathing, and may also cause toxic reactions. The toxic reaction of the germs causes poisoning of the heart, inactivation of cardiac muscle cells, ischemia, and hypoxia, resulting in heart failure.