Due to the decline of kidney excretion and metabolic function, toxin accumulation in the body, early uremia patients may have symptoms such as loss of appetite, urinary abnormalities, edema, and so on. 1. Loss of appetite: Electrolyte disorders in uremia patients will trigger a series of digestive symptoms, such as nausea, vomiting, fatigue, taste of urine in the mouth, loss of appetite, etc., which is the earliest and most common symptom performance. 2. Abnormal urination: UTI patients have abnormal renal filtration and reabsorption function, some patients will have a decrease in urine output, and some patients have positive urine protein and foamy urine. 3. Edema: due to renal failure, patients with uremia have poor elimination of excess water from the body, resulting in sodium retention, which will be manifested as swelling of the face, eyelids, and both lower limbs. If the patient has symptoms such as loss of appetite, lumbago, low urine output, body edema and other symptoms need to go to the nephrology department in time, and at the same time to do urine routine, renal function, renal ultrasound and other tests, to find out the cause in time, and standardized treatment under the guidance of the doctor.