There are many causes of fever in the elderly, such as viral colds, urinary tract infections, rheumatism, etc. Different causes, different treatments and medications, need to be under the guidance of a doctor to use medication, should be avoided to self-medication, to prevent delays in the condition. 1. If the fever of the elderly is caused by viral cold, acetaminophen and other antipyretic and analgesic drugs can be given. 2. If the fever is caused by urinary tract infection, oral antibacterial drugs such as levofloxacin can be given. 3. If the fever of the elderly is caused by rheumatism, drugs such as celecoxib, aspirin and diclofenac can be used, which have antipyretic effects. Elderly people with fever should go to the regular hospital in time to determine the cause of the disease and then follow the doctor’s instructions to use drugs, do not feel free to use on their own, in order to avoid improper use of drugs, delay the condition.