The main clinical symptoms of pneumonia are fever, cough, sputum, chest pain, wet rales can be heard in the lungs, and inflammation-related indexes such as routine blood tests, C-reactive protein, calcitoninogen, etc. can be significantly higher than normal values, and lung CT can indicate imaging changes of pneumonia. For the treatment of cold and runny nose, the main treatment is symptomatic, such as drinking more warm water, paying attention to rest, keeping indoor air circulation and preventing secondary bacterial infections, and taking oral Chinese medicine with anti-viral effect. For pneumonia, the main treatment is anti-infective treatment with sensitive antibacterial drugs.