Symptoms of tubular necrosis are mainly manifested as symptoms of renal function impairment gradually developing into renal failure and finally progressing to uremia. Most of the patients usually show digestive system symptoms, urinary system symptoms and systemic symptoms. 1. Digestive symptoms: digestive symptoms are the most common symptoms of tubular necrosis, such as abdominal distension, nausea, vomiting, loss of appetite, etc. After tubular necrosis, it can cause gastric mucosal erosion or peptic ulcer, which can cause abdominal distension, nausea and other digestive symptoms. 2. Urinary system symptoms: urinary system symptoms often manifested as oliguria, anuria, water electrolyte and acid-base balance disorders and other symptoms. 3. Systemic symptoms: severe tubular necrosis will also have metabolic acidosis, resulting in heart failure, arrhythmia, anemia, low fever and other symptoms. If renal tubular necrosis occurs, it is recommended that the patient should consult a doctor in time, and under the guidance of the doctor, clarify the cause of the disease, and actively standardize the diagnosis and treatment.