As the aging population increases, the geriatric rheumatic disease population is also rapidly increasing. Common rheumatic diseases that occur in the elderly include rheumatoid arthritis, gout, dry syndrome, systemic vasculitis, dermatomyositis/polymyositis, scleroderma, IgG4-related diseases, etc. Some mild or severe lower extremity joint pains not only bother them, but some joint pains may even be a manifestation of some rheumatic diseases that can lead to internal organ damage. Rheumatic diseases are a group of connective tissue diseases with poorly defined causes, long and recurrent courses, and associated with autoimmune disorders. Common symptoms include pain in multiple joints of the lower extremities or the whole body, paralysis of the lower extremities or even the extremities, foot ulcers, persistent rash or petechiae, fever, dry mouth and eyes, recurrent keratitis and/or uveitis, abdominal pain or abdominal mass, hematuria or foamy urine, unexplained swelling, shortness of breath, neuropathy, etc. On examination, patients may have a lung shadow, abdominal mass, etc. Abdominal masses, etc. The diagnosis of rheumatism is often disturbed or overlooked due to the presence of osteoarthritis, osteoporosis, hypertension, diabetes, etc. in elderly patients. Some of the inflammatory masses caused by rheumatic diseases are often mistaken for tumors and cause patients’ families and doctors to abandon further examination, resulting in these elderly patients with rheumatic diseases not receiving timely treatment. Patients not only suffer from physical pain, but also may end up with irreversible end due to the failure of internal organs caused by rheumatic diseases, such as systemic vasculitis, IgG4-related diseases, etc. As long as early diagnosis and timely treatment are made, some elderly patients with rheumatic diseases can fully recover. Therefore, if elderly people have problems such as limb or joint pain and unexplained multi-organ damage, they should not take them lightly, especially if they have recurring symptoms, prolonged treatment or a combination of other symptoms. Remember, joint pain, skin rash or swelling are only the tip of the iceberg! Prevention and treatment suggestions: 1, back and leg pain, joint pain, etc., the general treatment effect is not good, especially when combined with a variety of symptoms, should promptly consult the rheumatology department. 2, rheumatism is a controllable and treatable disease, older patients diagnosed with rheumatism should have an optimistic attitude. 3, elderly patients should have a light and nutritious diet, different rheumatism patients have different dietary contraindications, you need to consult a rheumatologist or dietitian. 4, the housing should be kept fresh air. Bedding should be dry and lightly warm. Do not sleep in the wind. 5.Wash with warm water to promote blood flow to the lower limbs. 6.Choose a suitable exercise method for yourself and insist on proper exercise to prevent joint deformation and muscle atrophy. 7.Do not listen to hearsay, choose the appropriate treatment plan together with the doctor, and adhere to the treatment and follow-up.