Late uremia symptoms in the elderly are mainly manifested in the digestive tract symptoms, systemic symptoms, as well as the nervous system, electrolyte disorders, acid-base imbalance and other aspects. In addition, anemia and malnutrition are also more common symptoms in elderly patients with uremia. 1. gastrointestinal symptoms: elderly patients in the late stage of uremia usually have gastrointestinal symptoms, manifested as nausea and vomiting, loss of appetite, abdominal distension and diarrhea, and even gastrointestinal bleeding and other symptoms. 2. Systemic Symptoms: Elderly patients in the late stage of uremia will also appear more obvious systemic symptoms, manifested as dizziness, headache, blood pressure increased significantly, panic, palpitations (heartbeat accelerated, often accompanied by panic), chest tightness and other symptoms. There are also symptoms such as pallor, itchy skin, joint pain and muscle weakness. 3. Neurological: In the advanced stage of uremia, elderly patients may also experience insomnia, sleeplessness, impaired consciousness, slow reaction, babbling and other symptoms. 4. Electrolyte disorders: mainly manifested as sodium retention, hyponatremia and hyperkalemia, and abnormal calcium and phosphorus metabolism. 5. Acid-base imbalance: metabolic acidosis occurs when acidic products are retained in the body due to impaired excretion. Patients with advanced uremia will also have other systemic manifestations, such as anemia and malnutrition are also common symptoms in elderly patients with uremia. It is recommended to seek timely medical treatment under the guidance of the doctor.