(1) information on common causes, typical symptoms, disease stages, and risk factors of severe pneumonia; (2) basic knowledge regarding commonly used treatments, such as anti-infective therapy, oxygen therapy, and nebulization, as well as home observation strategies; (3) dietary guidance emphasizing light and easily digestible foods, adequate hydration, and nutritional support while avoiding overly sweet, greasy, or cold foods; and (4) education on body temperature monitoring, recognition of abnormal respiratory symptoms, basic airway clearance care, and maintenance of appropriate indoor temperature, humidity, and ventilation.