Staphylococcus aureus is a special microorganism and an organism that has been with humans for a long time. Many people have colonization of the body surface and respiratory tract by Staphylococcus aureus, but in special cases, Staphylococcus aureus can cause infections. Staphylococcus aureus itself is not a disease, but just a microorganism, and even in many cases a normal microorganism. When the body is in a poor state, A. aureus invades the body and causes serious infections, because A. aureus itself is prone to drug resistance, drug-resistant A. aureus is very resistant to many antibiotics, and in clinical practice great attention is paid to monitoring and management of drug-resistant A. aureus. Aureus infections are actually very widespread, aureus infections in the lungs, bones, intracranial, abdomen, limbs, the range of infection is very wide.