Older people should always have some cold and flu medicine and anti-inflammatory medicine at home, and if they are not allergic to cephalosporin, have some cephalosporin. If you are allergic to cephalosporin, you can have azithromycin or levofloxacin. If there are symptoms of acute infection, such as cough, yellow sputum, fever, diarrhea, frequent urination, urgent urination, painful urination, and if the test result is urinary tract infection, you can choose cephalosporin or levofloxacin for oral administration. There are also cough and phlegm remedies, intestinal rehydration salts, anti-diarrheal Simethicone, Huangliansu, stomachic and dietary tablets, Daxi, etc. If elderly people have high blood pressure, prepare antihypertensive drugs; if they have diabetes, prepare hypoglycemic drugs; if they have cardiovascular susceptibility, prepare cardiovascular disease drugs, such as quick-acting heart pills, musk heart pills, nitroglycerin, aspirin, etc. Also prepare some sleep improvement drugs for the elderly, such as Valium.