Symptoms of patients with renal insufficiency include digestive system symptoms such as nausea, vomiting, circulatory system symptoms such as chest tightness, breathlessness, hematologic system symptoms such as anemia, bleeding gums, neurological system symptoms such as dizziness, insomnia, and other symptoms such as edema, emaciation, and so on, which will be accompanied by other symptoms. 1. Digestive system symptoms: patients may have nausea, vomiting, loss of appetite, abdominal distension, diarrhea, dehydration, oral mucous membrane ulceration and other symptoms. 2. Circulatory system symptoms: patients may have elevated blood pressure, and long-term hypertension will hypertrophy the left ventricle. In addition, patients may experience symptoms such as chest tightness, breathlessness, cough, and pulmonary edema. 3. Hematological symptoms: anemia, nosebleed, gum bleeding, subcutaneous petechiae and other symptoms can be seen in patients with severe renal insufficiency. 4. Neurological symptoms: patients may have numbness of limbs, dizziness, headache, general fatigue, insomnia, memory loss, drowsiness, coma, convulsions and other symptoms. 5. Other symptoms: edema, emaciation, dry skin, and deep and long breathing when combined with acidosis. Patients with renal insufficiency have many symptoms, so it is recommended to consult regular hospitals in time and standardize the examination and treatment under the guidance of physicians.