There is no such thing as seven precursors of uremia. Uremia usually manifests itself as metabolic disorders, digestive system abnormalities, circulatory system abnormalities, hematologic system abnormalities, motor system abnormalities, skin abnormalities, and other manifestations. 1. Metabolic disorders: with uremia, various electrolytes, sugars, lipids, proteins, vitamins and other metabolic disorders, weakness, subcutaneous edema, lack of appetite and other manifestations. 2. Digestive system abnormalities: patients with uremia will have symptoms such as abdominal distension, diarrhea, constipation, vomiting and nausea. 3. Circulatory system abnormality: When uremia occurs, after strenuous activities or physical labor, patients will have symptoms such as dyspnea, arrhythmia, cardiac arrest and heart failure. 4. Abnormalities of blood system: If the patient’s blood system is abnormal, it will cause anemia and bleeding. 5. Abnormalities in the motor system: the patient’s neuromuscular excitability will be increased, muscle spasm, muscle atrophy, muscle weakness, etc. If the bones are involved, there will be deformation of the bones, bone pain, mobility and other manifestations. 6. Skin abnormalities: itchy skin is a common symptom in patients with uremia, and the skin will appear flaky, dry, hyperpigmentation and swelling. In addition, there are endocrine disorders, neurological abnormalities, respiratory system abnormalities and other manifestations, it is recommended that patients go to the regular hospital in a timely manner, under the diagnosis of the doctor, according to the patient’s specific condition, to take targeted treatment, in order to avoid adverse effects on the body, triggering other diseases.