The severity of Staphylococcus aureus infection varies from person to person. Localized minor infections and those with strong immunity may not be serious, while pneumonia, bloodstream infections, and low immunity are more serious. 1. The condition is relatively not serious, staphylococcus aureus if only caused by local skin and soft tissue infection, lesions are not extensive, immunity is strong, through local treatment or the use of antibiotics such as cefuroxime ester, cefazolin sodium and other antibiotics for treatment, can be relieved relatively quickly, the condition is not serious. 2. In the case of relatively serious condition, if S. aureus infection causes pneumonia or bloodstream infection, the condition is more aggressive; in the case of poor resistance, even if the infection is localized, serious complications may occur and the condition is serious. In addition, it may be more difficult to treat drug-resistant S. aureus infections, which also increases the severity of the disease. To summarize, the severity of S. aureus infection is related to a number of factors, such as the location of the lesion, the extensiveness of the infection, the body’s immunity, and the resistance of the bacteria to drugs.