The formation of pressure sores is mainly caused by long-term pressure on the skin, which can be prevented and cared for by changing the body position, keeping the skin clean and taking antibiotics. 1. Prevention: To prevent the formation of pressure ulcers, the first step is to avoid long-term pressure on the skin, which can be done by changing the body position regularly, turning over diligently, using special mattresses such as inflatable mattresses to reduce the pressure, and at the same time keeping the skin clean and dry to prevent infections. 2. Nursing: pressure ulcers can use dressings to protect the wound, take antibiotics such as azithromycin, penicillin and other drugs to control inflammation when infection occurs, drugs should be used in accordance with the doctor’s instructions, the emergence of adverse reactions to timely access to medical care, drug allergy is prohibited. In severe cases, skin grafting can be performed. Pressure ulcers after active prevention and care can significantly improve the prognosis of the disease, but it is recommended to carry out regular reviews to monitor the progress of the disease, so as not to delay the condition.